1. B. J. Fleywood and W. G. William, Japan Kokai Tokkyo Koho, 44–21117 (Sep. 9, 1969).
2. M. Sumida, S. Niwata, S. Iwata, T. Tanaka, K. Wakabayashi, and P. Böger, in “Pesticides/Environment: Molecular Biological Approaches,” ed. by T. Mitsui, F. Matsunaka, and I. Yamaguchi, Pestic. Sci. Society of Japan, Tokyo, 1993, pp. 255–262.