1. Armstrong, W.: The determination of warfarin in rodenticidi. Chem. Ind. 154 (1959).
2. Bann, J. M., T. J. de Cino, N. W. Earle, and Y. P. Sun: The fate of aldrin and dieldrin in the animal body. J. Agr. Food Chem. 4, 937 (1956).
3. Barrette, J. P., and R. Payfer: The determination of rotenone in liquid and aerosol formulations. J. Assoc. Official Agr. Chemists 44, 581 (1961).
4. Bates, A. N.: Analysis of endrin residues in flour by infrared spectroscopy. J. Sci. Food Agr. 11, 751 (1960).
5. Bellamy, L. J.: The infrared spectra of complex molecules. 2ed. London: Methuen, and New York: Wiley 1958.