00391nam a2200169Ia 4500010000500000020000500005082002900010100001800039245002000057250000500077260004800082300001000130490006600140500000500206630000500211700000500216  a  a  a514bC785.MS              aCopson, E. T.  aMetric spacesb  a  aCambridgebCambridge University Pressc1968  a143p.  aCambridge tracts in Mathematics and Mathematical Physicsv 57  a  a  a