000 00294cam a22001097a 4500
008 180718b1956 xxu||||| |||| 00| 0 eng d
082 _aZ12x54 Al51
245 _aExperiment in extension the gaon sathi
260 _aLondon
_bOxford University Press
_c1956
300 _a239p
650 _aGaon sathi
999 _c426940
_d426940