00870cam0-22003131i-450-99000673685040332120001010000673685FED01000673685(Aleph)000673685FED0100067368520001010d1952----km-y0itay50------baitaUSy-------001yy<<The >>challenge to isolation1937-1940William L. Langer, Everett S. GleasonNew YorkHarper & Brothers1952XV, 794 p.23 cmLanger,William L.191378Gleason,Everett S.ITUNINARICAUNIMARCBK990006736850403321XIII B 2307927FSPBCXXI C 100951181FGBCFSPBCFGBCChallenge to isolation268540UNINA