TY  - BOOK
AU  - Machlis,Gary E.
AU  - Tichnell,David L.
TI  - The state of the world's parks: an international assessment for resources management, policy, and research 
SN  - 0813302749
PY  - 1985///
CY  - Boulder
PB  - Westview Press
KW  - National parks and reserves
KW  - National press and reserves
KW  - Management
KW  - Human ecology
N1  - Includes index
ER  -