C. Fest Chemistry of organophosphorus pesticides - Berlin Springer Verlag 1973 - 338p C. Fest & K. J. Schmidt: Chemistry of organophosphorus pesticides. Berlin. Springer Verlag, 1973. 0-387-05858-3--(547.335FES) ENGLISH ISBN: 0-387-05858-3 Dewey Class. No.: 547.335 / FES