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040 _e10582
_aMAIN
041 _aEnglish
082 _a530.11 P273T
100 _aPathria, R K
245 0 _aTheory of relativity
250 _a2nd ed.
260 _aDelhi
_bHindustan Pub
_c1974
300 _ax,314 p.
942 _cBK
999 _c90723
_d90723