000 00296nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a539
082 _bL15T
100 _a"Lal, K.C."
245 0 _aModern Physics
260 _aLucknow
260 _bU.I.P.
260 _c1985
300 _a368
999 _c22641
_d22641