Business as usual. Airline Operation in Nationalist Spain – Some First-hand Impressions
Fligth, 13 de octubre de 1938 (http://www.flightglobal.com/pdfarchive)
Business as usual. Airline Operation in Nationalist Spain – Some First-hand Impressions
Fligth, 13 de octubre de 1938 (http://www.flightglobal.com/pdfarchive)