Rainwater 1953.Histological effects of calcium arsenates, DDT and dieldrin on larval tissues of the bollworm .2 Chadbourne,D. S. and C. F. J. econ. Ent .
Rainwater 1953.Histological effects of calcium arsenates, DDT and dieldrin on larval tissues of the bollworm .2 Chadbourne,D. S. and C. F. J. econ. Ent .