By Powell R.W.   in Advances In Physics

ISSN:1460-6976|7|26|276-297

Taylor & Francis Ltd‎(1958)‎

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By Johnson T. W.   Goforth M. H.   Powell R. W.   Haar N. D.   in Forest Science

ISSN:0015-749X|3|1|84-89

Society of American Foresters‎(1957)‎

Access to resources Favorite 2.9103281