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alexander h purcell
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Investigations on leafhopper vectors, diagnosis, and etiology of western X-disease (buckskin) of cherry trees in California
Alexander H. Purcell, Sherman Vance Thomson, George Nyland, Joseph N. Kloepper · U.S. Dept. of Agriculture, Science and Education Administration, Agricultural Research, Western Region
110 sayfa · 1982
Cherry / Diseases and pests / Leaf-hoppers
Fantastic Stories Presents the Imagination (Stories of Science and Fantasy) Super Pack
Milton Lesser, Edmond Hamilton, Boyd Ellanby, Alfred Coppel, Mack Reynolds, Philip K. Dick, Winston Marks, Kris Neville, Robert E. Gilbert, Morris Hershman, Daniel F. Galouye, Paul W. Fairman, C. H. Thames, Robert W. Haseltine, · Positronic Publishing