====== UDC ======

===== Universal Decimal Classification =====

The Multilingual Universal Decimal Classification Summary - UDC Summary - represents a selection of around 2,600 classes extracted from the UDC Master Reference File (UDC MRF) 2011 which contains over 70,000 classes.

Publié en CC-By-SA 3.0

http://www.udcsummary.info