00378nam a2200133 a 450000500170000000800410001702000180005804100080007608200110008410000220009524500480011726400540016530000250021920260717092746.0260717s2013    ii            000 0 eng d  a9788126153558  aeng04a530.111 aSingh, Arun Kumar10aConcepts in Relativity /cSingh, Arun Kumar 1aNew Delhi :bAnmol Publication Pvt. Ltd.,cc2013.  avii, 200 p. ; 25 cm.