References
- Sterba , M. J. 1966 . Symposium on Environmental Lead Contamination , 113 Washington, D.C. : Government Printing Office . U.S. Public Health Service Publication # 1440
- Patterson , C. C. 1965 . Arch. Environ. Health , 11 : 344
- Patterson , C. C. and Salvia , J. D. 1968 . Sci. Citizen , 10 : 66
- 1969 . “Cleaning Our Environment, The Chemical Basis for Action” , Washington, D.C. : American Chemical Society .
- Lagerwerff , J. V and Specht , A. W. 1970 . Environ. Sci. Technol. , 4 : 583
- Warren , H. V. and Delavault , R. E. 1962 . J. Sci. Food Agric , 13 : 96
- Cannon , H. L. and Bowles , J. M. 1962 . Science , 137 : 765
- Ruhcing , A. and Tyler , G. 1968 . Botaniska Notiser , 3
- Martinez , J. D. , Nathany , M. and Dharmarajan , V. 1971 . Nature , 233 : 564