000 00269nam a2200121Ia 4500
008 200701s2015 xx 000 0 eng d
100 _aWalker
245 0 _aPrinciples of physics
250 _a10
260 _bNewdelhi& Wiley
_c2015
300 _a1244
942 _2ddc
_cBO
999 _c5790
_d5790