World national parks.
Subtitle: Progress and opportunities.
By: Compiled under the direction of Jean-Paul Harroy. Editor: Richard van Osten. Translators: John Riddell and E. S. Tew.
Publisher: Hayez
Published: 1972
Place of publication: Brussel
Language: eng
Number of pages: 392
Subjects: National parks and reserves.
Notes: Bibliography: p. 383-389.