00556nam a2200193I 4500001039784MiAaHDL20130926000000.0m d cr bn ---auaua850427s1938 xx 000 0 eng u 38029000sdr-nrlfGLAD252099-B(OCoLC)909504MSCCUYZEPHIRTL586.W4 1938 TL586.W4 1938Weems, Philip Van Horn,b. 1889.Air navigation.New York,London,McGraw-Hill book company, inc.,1938.xiv,587 p.illus.24 cm.Mode of access: Internet.Navigation (Aeronautics)00103978420130926000000.0The leading $ in the barcode of this record was either added or removed to achieve parity with the University of Michigan Aleph system.20090408000000.020130926000000.020130926162649.02024-07-31T18:07:22Z2024-07-31T17:30:01Z2013-10-15T18:02:52ZSDR-ZEPHIRZEPHIRdollar_twin-001-000BKsdr-nrlfGLAD252099-Buc1SDRNRLFuc1.$b80280UCGLAD252099-BUCNRLF20240731googleuc1.$b802801938pdren