1. ALLEY, E.G., B.R. LAYTON and J.P. MINYARD, JR.: J. Agric. Food Cham.22, 442 (1974).
2. CARLSON, D.A., K.D. KONYHA, W.B. WHEELER, G.P. MARSHALL and R.G. ZAYLSKIE: Science194, 939 (1976).
3. CARVER, R.A.: Division of Chemistry and Physics, Food and Drug Administration, Washington, D.C., unpublished communication (1976).
4. EATON, P., E. CARLSON, P. LOMBARDO, and P. YATES: J. Org. Chem.25, 1225 (1960).
5. PESTICIDE ANALYTICAL MANUAL, Vol. II, Decachloro-octahydro-1,3,4-metheno-2H-cyclobuta [cd] pentalen-2-one, Food and Drug Administration, Washington, DC (Dec. 1974).