V. I.  Vashkov, Dremova, V. P., Mandel'baum, I. A., Zakolodkina, V. I., and Lapionova, V. D., ?Methylnitrophos--a new prospective insecticide?, Zhurnal mikrobiologii, epidemiologii, i immunobiologii, vol. 43, no. 8, pp. 5 - 9, 1966.