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008 230118s9999||||xx |||||||||||||| ||und||
082 _a530
082 _bPIL/P
100 _adr.k.mohanan
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100 _bvprabha
245 0 _aprinciples of physics
260 _akozhikode
260 _barjun books
260 _c1995
999 _c8462
_d8462