Orchard insects of the Pacific Northwest and their control /
Newcomer, E. J.
Orchard insects of the Pacific Northwest and their control / by E. J. Newcomer - Washington : Department of Agriculture - 77 p. - EUA. Dep. of Agri. Circular; 270 .
203886
Manzana -- Plagas Arboles frutales -- Plagas Pera -- Plagas Control de plagas
Orchard insects of the Pacific Northwest and their control / by E. J. Newcomer - Washington : Department of Agriculture - 77 p. - EUA. Dep. of Agri. Circular; 270 .
203886
Manzana -- Plagas Arboles frutales -- Plagas Pera -- Plagas Control de plagas