00553    a2200145   4500020001800000022001300018082001600031100002100047245010200068260005500170300002600225650004500251999001500296952009600311  a9780309098960  a19359802  a363.124 LUD  aLudwig, Duane A.  aACRP Report 1 Safety Management Systems for Airports Vol 1: Overview /cDuane A. Ludwig...[et al]  aWashington :bTransportation Research Board,c2007  a30p. :bill. ;c30 cm  aSafety Management -- Systems for Airport  c2172d2172  00104070aNITbNITcCEd0000-00-00l0o363.124 LUDpNIT-3496 r2017-01-05w2017-01-05yBK