Machlis, Gary E. <br/><br/>
The state of the world's parks :  an international assessment for resources management, policy, and research / 
Gary E. Machlis and David L. Tichnell ; foreword by Hal K. Eidsvik. 
 - Boulder :  Westview Press,  1985. 
 - 131 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0813302749 
<br/><br/><label>Subjects--Topical Terms: </label><br/>National parks and reserves.<br/>National press and reserves--Management.<br/>Human ecology.