Yazar
Roger Sayre
6 cilt bulundu.
Isaac Asimov, Martin H. Greenberg, Charles Waugh, Anne McCaffrey, Lloyd Biggle Jr, Jack Ritchie, Harry Harrison, Craig Sayre, Will H. Gray, Roger D. Aycock, Cordwainer Smith · Watts
155 sayfa · 1981
American Science fiction / Science fiction / Short stories / Children's stories, American
Roger Sayre, Ellen Roca, Gina Sedaghatkish, Bruce Young, Shirley Keel, Roberto Roca, Stewart Sheppard, Thomas Lovejoy, Stuart Sheppard · Island Press
192 sayfa · 1999
Methodology / Ecological surveys / Biodiversity conservation / Applied ecology / Biology, Life Sciences
Roger Sayre · U.S. Dept. of the Interior, U.S. Geological Survey
17 sayfa · 2009
Biotic communities / Ecosystem management
Susan Iremonger, Roger Sayre, Douglas S. Baker · Nature Conservancy, The
Sayfa sayısı yok · 1994
Ecology / Belize