Proce4edings of the Seminar Environmental Pollution with Content of Present Industrial Development in India Trivandrum Oct. 12- 14, 1974 Organised by the Public Health Engineering Division of the Institution of Engineers India, Calcutta
Proce4edings of the Seminar Environmental Pollution with Content of Present Industrial Development in India Trivandrum Oct. 12- 14, 1974 Organised by the Public Health Engineering Division of the Institution of Engineers India, Calcutta
- INSTITUTION OF ENGINEERS
- viii+184