000 00273nam a2200109Ia 4500
008 240125s9999||||xx |||||||||||||| ||und||
041 _aeng
100 _aKeswami, G.H.
_916002
245 0 _aOrigin and concept of relativity
260 _bA.P. Books
_aDelhi
_c2009
942 _cBK
999 _c27269
_d27269