Keith, Lawrence H.

Environmental sampling and analysis:a practical guide by: Keith, Lawrence H. (Language materials, printed)

Epa's pesticide fact sheet database by: Keith, Lawrence H.; Walker, Mary M. (Language materials, printed)

Chlorinated dioxins and dibenzofurans in perspective by: Choudhary, Gangadhar; Keith, Lawrence H.; Rappe, Christoffer (Language materials, printed)