TY - BOOK AU - Collins, Donald L. AU - Dietrich, Henry AU - Parker, K.G. TI - Uninfectes elm wood as a source of the bark beetle (Scolytus multistriatus Marsham), Carrying the Dutch Elm Disease Pathogen SN - M/BAJA U1 - PA-C 634 N4 1933 CY - Ithaca, N.Y. PB - Cornell University Agricultural Experiment Station KW - Olmo KW - plagas N1 - Encuadernado con: Orchard insects of the pacific northwest and their control / by E.J., Newcomer ER -