1. Anon: 1977, ?Outbreak of Paralysis in Villages of Unnao district, U.P.-?A Preliminary Epidemiological Study?, ITRC Momoir No. 1.
2. APHA: 1975, Standard Methods for the Examination of Water and Waste Water, 14th Edn. American Public Health Association, Washington, DC.
3. BeeversD. G., BeattieA. D., HawthroneV. M., et al. 1976, ?Blood Lead and Hypertension?. Lancet 2, 1?3.
4. BergJ. W. and BurbankF.: 1972, ?Geo-Chemical Environment in Relation ot Health and Disease?, Ann. N.Y. Acad. Sci. 199, 249?264.
5. BrowningE.: 1961, Toxicity of Industrial Metals, Butterworth, London.