Yazar
Lloyd Knutson
10 cilt bulundu.
Lloyd Knutson, Allan K. Stoner · Kluwer Academic Publishers
530 sayfa · 1989
Biodiversity conservation / Congresses / Germplasm resources conservation / Nature conservation / Germplasm resources
Howard W. Kerr, Lloyd V. Knutson · [For sale by the Supt. of Docs., U.S. G.P.O.
301 sayfa · 1982
Family farms / Small Farms / Management / Congresses
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
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
Lloyd Knutson · Cambridge University Press
506 sayfa · 2010
Sciomyzidae / Snales as pests / Snales / Biological control / Diptera
Lloyd V. Knutson · Association of Systematics Collections
56 sayfa · 1988
Bibliography / Biology / Classification
Lloyd V. Knutson · distribution, Halsted Press
340 sayfa · 1978
Congresses / Biology / Agriculture / Classification / Agriculture, research