000 00286nam a2200121Ia 4500
008 160710s1979 xx 000 0 und d
082 _a530 GUL
100 _aGULATI,H.R.
245 _aT.B. OF SENIOR SCHOOL PHYSICS
260 _bR. CHAND & CO.
_c1979
300 _a264
942 _2ddc
_cB
999 _c42940
_d42940