000 00291nam a2200121Ia 4500
008 211209s1975 xx 000 0 und d
041 _aeng
082 _a530 N75 SIN
100 _aSINGH HARNAM
245 _aB.SC. PRACTICAL PHYSICS PART I
260 _bCALICO PUBLISHERS
_c1975
300 _a445
999 _c6824
_d6824