1.

Conference Proceedings

Conference Proceedings
Breckenridge, Charles B. ; Sielken, Robert L., Jr. ; Stevens, James T.
Pub. info.: Pesticides : managing risks and optimizing benefits.  pp.38-,  1999.  Washington, D.C..  American Chemical Society
Title of ser.: ACS symposium series
Ser. no.: 734
2.

Conference Proceedings

Conference Proceedings
Sielken, Robert L., Jr. ; Bretzlaff, Robert S. ; Valdez-Flores, Ciriaco
Pub. info.: Triazine herbicides : risk assessment.  pp.448-466,  1998.  Washington, DC.  American Chemical Society
Title of ser.: ACS symposium series
Ser. no.: 683