000 00281nam a2200121Ia 4500
008 210101s9999 xx 000 0 eng d
100 _aEdser, Edwin
245 0 _aLight for students
260 _aBombay
_bMacmillian and co.
300 _a590
650 _aPhysics
942 _2ddc
_cBK
999 _c1989
_d1989