00647nam0-22002411i-450-990002739380403321000273938FED01000273938(Aleph)000273938FED0100027393820000920d1951----km-y0itay50------baENGPrinciples of log measurement.by Laver F .C.LondraBern1951 .Laver,Clifton Ferdinand372049ITUNINARICAUNIMARCBK9900027393804033217-5-6s.i.ECAECAPrinciples of log measurement425893UNINAING01