Короткі нотатки

Каталоги Z39-50, SRU і т.п.

• Z-Brary.com — Directory of Z39.50 and SRU Targets
• http://irspy.indexdata.com
• http://z3950.ruslan.ru/stat/
• http://www.webclarity.info/registry/page?SHOW=LOGIN

MARC classification format

• San Segundo, Rosa. Using MARC classification format for UDC and mappings to other KO systems for an enriched authority file. Extensions & Corrections to the UDC, 31 (2009), pp. 285.291.