Polythematic Structured Subject Heading System

  1. l-dehydroascorbic acid USE vitamin C
  2. L-function USE zeta-function
  3. La Téne period USE lateiron age
  4. labelling
  5. labelling machines
  6. labelling theory
  7. labels USE packages
  8. laboratories
  9. laboratory animals
  10. laboratory apparatus
  11. laboratory diagnosis
  12. laboratory equipment
  13. laboratory experiment USE experiments
  14. laboratory furnaces USE laboratory equipment
  15. laboratory glassware
  16. laboratory porcelain
  17. laboratory techniques
  18. labour code USE labour law
  19. labour condition
  20. labour disputes
  21. labour duty
  22. labour education USE polytechnic education
  23. labour force
  24. labour instruction USE polytechnic education
  25. labour law
  26. labour market
  27. labour obligation USE labour duty
  28. labour policy
  29. labour productivity
  30. labour relations
  31. labour-law relations
  32. lace-making
  33. lace-making machines
  34. lacing construction USE lattice constructions
  35. lack of crime prevention USE offence against public order
  36. lacolite
  37. lacquering
  38. lacrosse
  39. lactalbumin USE albumins
  40. lactams
  41. lactation
  42. lactoflavin USE riboflavin
  43. lactose
  44. lactulose
  45. ladders
  46. ladie's wear
  47. ladle furnaces
  48. ladle metallurgy USE secondary metallurgy
  49. Lagrange formalism
  50. lake basins USE lakes
  51. lake sediments
  52. lakes
  53. lakes of river origin USE lakes
  54. lakes of tectonic origin USE lakes
  55. lakes of volcanic origin USE lakes
  56. Lamaism
  57. lamb
  58. Lambert law
  59. laminar flow
  60. laminates
  61. lamines
  62. lanatosides USE cardiotonics
  63. land
  64. land and duties registers
  65. Land Art USE Conceptual art
  66. land biocenoses
  67. land clearing equipment
  68. land fauna
  69. land fight USE combat
  70. land forces USE ground forces
  71. land law
  72. land planning USE territorial planning
  73. land register
  74. land registers
  75. landing gear
  76. landing of rocket USE cosmonautics
  77. landing plans USE territorial plans
  78. landing runways USE runways
  79. landscape
  80. landscape archeological survey USE archaeological explorations
  81. landscape architecture
  82. landscape forming
  83. landscape gardening
  84. landscape maintenance USE landscaping
  85. landscape maps USE maps
  86. landscape paintings
  87. landscape protection
  88. landscape recultivation
  89. landscape sanation USE landscape recultivation
  90. landscaping
  91. landslides
  92. language analyses USE language teaching
  93. language and logic
  94. language and speech in politics USE communications in politics
  95. language and thinking
  96. language assimilation USE articulation
  97. language barriers
  98. language competency
  99. language contacts
  100. language corpuses
  101. language culture
  102. language dictionaries
  103. language differentiation USE language stratification
  104. language education
  105. language evolution
  106. language expression USE text
  107. language families USE languages
  108. language forecasting
  109. language formations USE language stratification
  110. language geography
  111. language groups USE languages
  112. language models
  113. language of advertisements
  114. language of fiction USE artistic style
  115. language pathology USE speech defects
  116. language policy
  117. language semantics
  118. language sign
  119. language standard USE literary language
  120. language stratification
  121. language structure USE language system
  122. language system
  123. language teaching
  124. language textbooks USE textbooks
  125. language universals
  126. languages
  127. languages of immigrants and emigrants
  128. languages of minorities
  129. lanthanoids USE rare-earth metals
  130. lanthanum
  131. laparoscopy
  132. laparotomy
  133. Laplace equation
  134. Laplace transform USE Laplace transformation
  135. Laplace transformation
  136. laptops USE portable computers
  137. larceny USE theft
  138. larch
  139. lard
  140. large cities
  141. large deformations USE deformation of solids
  142. large intestine irritating substances USE laxatives
  143. large scale husbandry
  144. large signal amplifiers
  145. large space structure of universe USE cosmology
  146. larva
  147. larval stage
  148. laryngeal diseases
  149. larynx
  150. laser anemometers USE velocity
  151. laser cutting
  152. laser diagnostics of atmosphere
  153. laser furnaces USE furnaces
  154. laser induced fluorescence
  155. laser location
  156. laser scanners
  157. laser spectral analysis
  158. laser surgery
  159. laser welding
  160. laser-jet printers
  161. lasers
  162. Laspeyre's index USE index
  163. Last Judgement
  164. last things of man USE eschatology
  165. late 19th century decorative style
  166. Late Middle Ages
  167. late neolith USE chalcolith
  168. lateiron age
  169. latent heat
  170. latent heat of evaporation USE phase diagram
  171. lathe tools
  172. lathes
  173. Latin
  174. Latin liturgy
  175. Latin squares
  176. Latin-American literature
  177. latitude
  178. lattice constructions
  179. lattices
  180. Latvian language USE Baltic languages
  181. launch of rocket USE cosmonautics
  182. launching rocket bases
  183. launder USE separation by concentration tables and trough
  184. laundries
  185. Laurent expansion USE power series
  186. Laurent series USE power series
  187. lava
  188. lava flow
  189. lava pins
  190. lava sheet
  191. lava tube USE craters
  192. law
  193. law and order USE legality
  194. law application
  195. law martial USE martial law
  196. law merchant USE commercial law
  197. law of armed conflict
  198. law of bankruptcy USE bankruptcy law
  199. law of civil procedure
  200. law of contracts