Infoletter - Deutsch, a. e., International Plant Protection Center (Oregon State Deutsch, a. e., International Plant Protection Center, 1972)
-Existencias: 1972-1974 no. 8-19; 1975-1976 no. 21-22, 24-27; 1977-1984 no. 32-33, 35-38-52, 54-55, 59; 1985-1988 no. 63, 65-67
Keywords: Proteccion; Plantas