000			00336nam a2200133Ia 4500
008			211109s9999||||xx |||||||||||||| ||und||
082			_a546.22 _bBAS-W
100			_aBasic Science Series
245		0	_aWater
260			_bMcgraw Hill Eastern _aSingapore _c1971
630			_xReference Reading Room
650			_vGeneralia
942			_cBOOK
999			_c77101 _d77101