https://vocabularyserver.com/udc/en/ Universal Decimal Classification UDC Consortium UDC Consortium 2019-03-06 en 2019-03-06 15:43:00 Common auxiliaries of form. Table 1d 2019-03-06 15:43:00 https://vocabularyserver.com/udc/en/xml.php?skosTema=10https://vocabularyserver.com/udc/en/xml.php?skosTema=272https://vocabularyserver.com/udc/en/xml.php?skosTema=225https://vocabularyserver.com/udc/en/xml.php?skosTema=226https://vocabularyserver.com/udc/en/xml.php?skosTema=227https://vocabularyserver.com/udc/en/xml.php?skosTema=232https://vocabularyserver.com/udc/en/xml.php?skosTema=242https://vocabularyserver.com/udc/en/xml.php?skosTema=248https://vocabularyserver.com/udc/en/xml.php?skosTema=249https://vocabularyserver.com/udc/en/xml.php?skosTema=256https://vocabularyserver.com/udc/en/xml.php?skosTema=267