000			00456nam a2200157Ia 4500
008			130223s9999 xx 000 0 und d
080			_a551.495.56:551.482(548.2)
245			_aSeasonal groundwater balance study in central Godavari delta Andhra Pradesh: Par
260			_aRoorkee
260			_bNational Institute of Hydrology
260			_c1993
300			_a57 p.
440			_aCS-117; National Institute of
901			_pS42817
942			_cB _2udc
999			_c132917 _d132917