00643nam0-22002411i-450-990001227940403321000122794FED01000122794(Aleph)000122794FED0100012279420000920d1930----km-y0itay50------baengVorlesugeb uber Wellenmecjanik.by LANDE' A.LeipzigVerlag1930.Landé,Alfred346661ITUNINARICAUNIMARCBK990001227940403321223-E-1302470MA1MA1Vorlesugeb uber Wellenmecjanik381981UNINAING01