TY - BOOK ID - 128438008 TI - Economic values of protected areas : guidelines for protected area managers AU - Phillips, Adrian AU - World commission on protected areas (WCPA) PY - 1998 SN - 2831704618 PB - Gland, Switzerland : IUCN--the World Conservation Union, DB - UniCat KW - Environmental Sciences and Forestry. Forestry KW - Forest Economics. UR - https://www.unicat.be/uniCat?func=search&query=sysid:128438008 AB - ER -