Yazar
lloyd v knutson
6 cilt bulundu.
Ke Chung Kim, Lloyd V. Knutson · Published by the Association of Systematics Collections in cooperation with Holcomb Research Institute and Illinois Natural History Survey
215 sayfa · 1986
Biology / Congresses / Classification / Research / Natural history
Marjorie A. Hoy, Lloyd V. Knutson · Agricultural Experiment Station, Division of Agriculture and Natural Resources, University of California
185 sayfa · 1983
Mites / Congresses / Pests / Biological control
Howard W. Kerr, Lloyd V. Knutson · U.S. Dept. of Agriculture, Agricultural Research Service
301 sayfa · 1982
Family farms / Small Farms / Management / Congresses
Lloyd V. Knutson · distribution, Halsted Press
340 sayfa · 1978
Congresses / Biology / Agriculture / Classification / Agriculture, research
Lloyd V. Knutson · Association of Systematics Collections
56 sayfa · 1988
Bibliography / Biology / Classification