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020 _a9788126552566
082 _a530.76 W151P
100 _aWalker,Jearl
245 0 _aPrincipal Of Physics
260 _aNew Delhi
_bWiley India
_c2017
300 _a1244p.
690 _aCompetitive Exam ;Exam - Physics ;Physics
942 _cBK
999 _c162987
_d162987