000			00471nam a2200193Ia 4500
999			_c1158 _d1158
008			180513s9999||||xx |||||||||||||| ||und||
020			_cRs.100
040			_aMAIN
041			_aBengali
082			_a551.48 _bSHE
100			_aSheal, Ajitkumar
245			_aজলবিদ্যা/ _cAjitkumar Sheal
260			_bThe himalayan books _aKolkata _c2008
300			_a6.9p.
500			_aPrashnabali saha
650			_aGeography
650			_aHydrology
942			_cBK