1. BOND, W., and H.A. ROBERTS: Bull. Environ Contam. Toxicol.16, 431 (1976).
2. HAMAKER, J.W.: Decomposition; quantitative aspects. In: Organic Chemicals in the Soil Environment, Ed. GORING C.A.I. and J.W. HAMAEER, p.253, New York: Dekker 1972.
3. HURLE, K., and A. WALKER: Persistence and its prediction. In: Interactions Between Herbicides and the Soil, Ed. HANCE, R.J., p.83, London-New York: Academic Press 1980.
4. PALM, H.L., J.D. RIGGLEMAN, and D.A. ALLISON: Proc. 1980 Br. Crop Prot. Conf.-Weeds1, 1 (1980).
5. WALKER, A.: Weed Res.18, 305 (1978).