000 00244nam a2200109Ia 4500
008 230901s9999 xx 000 0 eng d
100 _aLAKHANPA (RC)
245 0 _aOBJECTIVE PHYSICS
250 _a3
260 _bS. CHAND
942 _2ddc
_cSCIENCE
999 _c20506
_d20506