A B C D E F G H I-J K L M N O P Q-R S T U-V W-Z 0-9
close this section of the librarySpears, Joseph F., 1915- 1n(1)
View the documentSpears, Joseph F., 1915- 1n; The golden nematode handbook : survey, laboratory, control, and quarantine procedures / by Joseph F. Spears. Washington, D.C. : U.S. Dept. of Agriculture, Agricultural Research Service, 1968.