TY  - BOOK
AU  - UNITED NATIONS DEVELOPMENT PROGRAMME, WORLD HEALTH ORGANIZAION
ED  - UNITED NATIONS DEVELOPMENT PROGRAMME, WORLD HEALTH ORGANIZAION
TI  - Survey of water supply resources of greater Calcutta
U1  - X9(D85).275.Nt4, K9 /UN 
PY  - 1969///
CY  - Geneva
PB  - United Nations         
N1  - Appendix: 45-51p
ER  -