00335nam a2200133Ia 4500020001800000082001700018100002400035245002000059260003800079300002800117490004600145500000500191700000500196  a9788184890846  a514bOs81.MS  aO Searcoid, Michael  aMetric spacesb  aNew DelhibSpringer (India)c2007  axix, 304p. Bibl. Index.  aSpringer undergraduate mathematics series  a  a