00298cam a22001097a 4500008004000000082001500040100002300055245004500078260002500123300001000148650003000158180718b1949   xxu||||| |||| 00| 0 eng d  aW6500 F872  aFrederick, John H.  aAirport managementcby John H. Frederick  aChicagobIrwinc1949  a316p.  aAirports - Administration