000 00312nam a2200121Ia 4500
008 240112s9999 xx 000 0 und d
100 _aKhanna, D R; Gulati, H R
245 0 _aCollege practical physics
250 _a3
260 _a New Delhi
_bR Chand & Company
_c1976
650 _aPractical physics
942 _cBK
999 _c8634
_d8634