TY  - BOOK
ED  - India.
TI  - Hydrogeological nad Chemical data of Permanent hydrograph network stations estabilished in the states of west Bengal, Bihar and Orissa
U1  - 551.49(54) 
PY  - 1977///-79
CY  - Calcutta
PB  - Govt press
N1  - Library has 1969-74 nad 1975
ER  -