000 00323nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c260
040 _aET
100 _aMANGAL S.K.
245 0 _aTEACHING OFPHYSICAL SCIENCE
260 _bARYA BOOK DEPOT
_aNEW DELHI
300 _a338
500 _a66202
942 _cBK
999 _c72165
_d72165