program for outdoor recreation research
Subtitle: report on a study conference conducted June 2-8, 1968 by the National Academy of Sciences for theU.S. Department of the Interior, Bureau of Outdoor Recreation.
Contributors: National Academy of Sciences (U.S.); United States. Bureau of Outdoor Recreation.
Series: Publication -- 1727
Publisher: National Academy of Sciences
Published: 1969
Place of publication: Washington
Language: eng