000 00324nam#a2200121ua#4500
008 140217 2009
020 _a8188853291
082 _a530.11
_bK489O
100 _aKeswani G.H
_93445
245 _aOrigin And Concept of Relativity
_bCollected Writing
260 _bA.P Books
_aDelhi
_c2009
300 _a383
999 _c7760
_d7760