00322nam a2200109Ia 450000500170000000800410001708200160005810000190007424500630009326000480015630000080020420260224040923.0260224s9999||||xx |||||||||||||| ||und||  a632.951 ARN  aArnason, J.T.  0aInsecticides of plant origin : developed from a symposium   aWashington: American Chemical Societyc1989  a213