1. K. MESSENGER, Agr. Chem.18, 63 (1963).
2. P. L. ADKISSON, J. W. DAVIS, W. L. OWEN and D. R. RUMMEL, Tex. Agr. Exp. Sta., Dept. Entomol. Tech Rpt. No. 1. 59 p (1965).
3. P. L. ADKISSON, D. R. RUMMEL and W. L. STERLING, Tex. Agr. Exp. Sta., Dept. Entomol. Tech. Rpt. No. 2. 6 p. (1965).
4. P. L. ADKISSON, R. A. BELL, E. C. BERRY, C. L. COLE and S. J. NEMEC, Tex. Agr. Exp. Sta. PR-2405 (1966).
5. S. J. NEMEC and P. L. ADKISSON, Tex. Agr. Exp. Sta. MA-813 (1966).