00666nam0-22002531i-450-990002789050403321000278905FED01000278905(Aleph)000278905FED0100027890520000920d1950----km-y0itay50------baENGHow to chart timestudy data.by CARROLL P.I ̜Ed.New YorkMcGraw-Hill1950.Carroll,Phil.108701ITUNINARICAUNIMARCBK9900027890504033218-10-25S.I.ECAECAHow to chart timestudy data421386UNINAING01