The soil core microcosm : a potential screening tool /

Mode of access: Internet.

Laboratory model ecosystem evaluations of twenty-six new pesticides : screening of pesticides for potential adverse environmental effects in Illinois /

Mode of access: Internet.

Screening of pesticides for potential adverse environmental effects in Illinois : laboratory model ecosystem evaluations of twenty-six new pesticides /

"Doc. no. 81/40."

Screening of pesticides and other toxic chemicals for potential adverse environmental effects in Illinois /

"Project no. 90.020."

Geologic screening report for evaluation of eastern gas shales in Pennsylvania /

Cover title: Evaluation of Devonian shale potential in Pennsylvania.