00723nam a2200241 a 4500 60553 BD-RjUL 20211209080846.0 170101s1961 ilu 001 0 eng c (BD-RjUL)60677 BD-RjUL BD-RjUL BD-RjUL eng eng 23 387.70973 FRC 1961 Frederick, John H. (John Hutchinson), 1896- 180342 Commercial air transportation / by John H. Frederick. 5th ed. Homewood, Ill., R.D. Irwin, 1961. 497 p. : ill. ; 24 cm. Includes index Aeronautics United States Commercial 180343 Airlines. 180344 ddc BK 60553 60553 0 0 ddc 0 1 NFIC RUCL RUCL Reading 1970-03-25 Zeitlinger 70.00 0 387.70973 FRC 1961 2017-01-01 00:00:00 C-1 2017-01-01 BK