000 00299nam a2200133Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aAbhay Kumar Singh
245 _aProblems in Physics
250 _a1st
260 _bDelhi:New age
_c2000
300 _a606p.
650 _aPhysics
999 _c55
_d55