Persistence of the DDT pesticide in the Yakima River Basin, Washington /

Autor Rinella, Joseph F., Hamilton, Pixie A., 1957-, McKenzie, Stuart W.
Vydáno 1993

Are fertilizers and pesticides in the ground water? : a case study of the Delmarva Peninsula, Delaware, Maryland, and Virginia /

Autor Hamilton, Pixie A., 1957-, Shedlock, R. J.
Vydáno 1992

Pesticide policies in developing countries : do they encourage excessive use? /

Autor Farah, Jumanah
Vydáno 1994