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Development and Planning in Ecuador
R. J. Bromley, Ray Bromley · [London] : Latin American Publications Fund
134 sayfa · 1977
Political Science
Field and Laboratory Methods Used by the Geological Survey of Canada in Geochemical Surveys
A. K. Sinha, I. F. Ermanovics, I. R. Jonasson, R. J. Traill, Roderick Dickson Macdonald, William Harold Fritz, J. J. Lynch, James W. Murray, Leonard Stanier Collett, L. J. Trip · Yayınevi bilinmiyor
546 sayfa · 1973
Aerial photogrammetry
Formaldehyde
R. J. Fielder, Great Britain. Health and Safety Executive · Yayınevi bilinmiyor
28 sayfa · 1981
Science
Experimental Applications of B.t.i. for Larval Black Fly Control
Akira Osawa, Ivan J. Fernandez, John B. Dimond, Michael P. Wolcott, R. J. Bushway, Richard Harry Storch, Richard L. Bradbury, Robert K. Shepard · Yayınevi bilinmiyor
520 sayfa · 1986
Aphididae