TY - BOOK AU - Thangarajan, M., Comp. AU - Gurunadha Rao, V.V.S., Comp. AU - Sarma, M.R.K., Comp. TI - Selected papers on groundwater modelling studies at NGRI T2 - National Geophysical Research Institute, Hyderabad U1 - 551.49011 PY - 1997/// CY - Hyderabad PB - National Geophysical Research Institute ER -