Pesticide index
WISWESSER, William J
Pesticide index - 5th ed - College Park, U.S 1976 - 328p
PESTICIDES -- BIBLIOGRAPHY
PESTICIDES -- BIBLIOGRAPHY
016.668 65 W65P
Pesticide index - 5th ed - College Park, U.S 1976 - 328p
PESTICIDES -- BIBLIOGRAPHY
PESTICIDES -- BIBLIOGRAPHY
016.668 65 W65P