TY - CHAP A1 - IUCN C1 - Gland, Switzerland and Cambridge, UK: IUCN. iv + 32pp. TI - 2001 IUCN Red List Categories and Criteria: Version 3.1. Second edition. UR - https://web.archive.org/web/20140708123933/http://www.iucnredlist.org/technical-documents/categories-and-criteria/2001-categories-criteria PY - 2012 Y2 - 2024-03-28 ER -