000 00259nam a22001097a 4500
020 _a9789554397620
082 _a500
_bDev
100 _aDevika Siriwardane
245 _aPhysics,Chemistry&Biology
_bShort Notes
_cDevika Siriwardane
300 _a213p
942 _cL
999 _c5685
_d5685