00515nam a2200157Ia 450000100060000000300050000600500170001100800410002801000170006910000300008624500750011626000590019130000290025050400380027965000400031786990BIBL20160527204049.0920914s1967    enkab    b    00110 eng    aevn00001114 10aStratford, Alan H.2Local10aAir transport economics in the supersonic erac[by] Alan H. Stratford.0 aLondonbMacmillanaNew YorkbSt. Martin's Pressc1967.  aviii, 355billus., maps.  aIncludes bibliographies and inde. 0aAirlinesxCost of operation.2Local