000 00265nam a2200109Ia 4500
008 230411s9999 xx 000 0 und d
082 _a530
_bVAS
100 _aVASUDEVA (A.S.)
245 0 _aModern Engineernig Physics
260 _bS.Chand & Co
_aNEW DELHI
942 _cBB
999 _c8193
_d8193