Water supply waste disposal at high attitudes / Water Supply Waste Disposal at High Attitudes Proceedings of Symposium held at Nagpur on October 31, 1964 - Nagpur : Central Public Health Engineering Research Institute , [n. d.] - 65 p. ; 24 cm. ISBN: Rs.8.00 Subjects--Topical Terms: India Board of HealthSmallpox--Vaccination Subjects--Geographic Terms: India--Sanitary BoardPublic Health--India Dewey Class. No.: 628