1. Some effects of aldrin and DDT on the soil fauna of arable land;Edwards;Nature,1960
2. Gawaad , A. A. A. Shazli , A. Y. 1966 Effect of soil insecticides on controlling the prepuae & pupae of cotton leaf worm, Prodenia litura F.
3. Gawaad , A. A. A. Shazli , A. Y. 1968 Effect of some soil insecticides on controlling pupae of Thrips tabaci under laboratory condition
4. Comparison of the toxicity to insects of certain insecticides applied by contact and in the soil;Harris;J. Econ. Entom.,1964