000 00279nam a2200109Ia 4500
008 210616s9999 xx 000 0 und d
100 _aVidwan Singh Soni
245 0 _aMechanics and Relativity
260 _c2011
650 _aNatural Science and Mathematics
_bPhysics
942 _cBK
999 _c6161
_d6161