000 00311nam a2200109Ia 4500
008 240112s9999 xx 000 0 und d
082 _a530
_bR
245 0 _aPrevious years' solved questions on physics civil services main examination
260 _a New Delhi
_bChronicle Books
650 _aPhysics
942 _cREF
999 _c38467
_d38467