Pesticides chemistry , human welfare and the environmental
International Congress of Pesticides...1982
Pesticides chemistry , human welfare and the environmental - 1983 - (Card 2) .
PESTICIDES - - CONGRESS
PESTCONTROL - - CONGRESSES PESTICIDE RESIDUES - - CONGRESSES PESTICIDES - - CONGRESS
632.95 I-5P
Pesticides chemistry , human welfare and the environmental - 1983 - (Card 2) .
PESTICIDES - - CONGRESS
PESTCONTROL - - CONGRESSES PESTICIDE RESIDUES - - CONGRESSES PESTICIDES - - CONGRESS
632.95 I-5P