000 00348nam a2200145Ia 4500
020 _a0000000000000
082 _bT-399
_a530
100 _a"MOHAMMAD ZAKAULLAH"
245 0 _aMODERN PHYSICS
260 _b,Polymer Publication,TCS
_aLahore
_c1989
300 _a217
944 _cTR
999 _c147397
_d147397