Stever, H. Guyford Vuelo / H. Guyford Stever / coaut. James J. Haggerty - Mexico : Offset Multicolor , c1971. - 200p. 2 Ej. : il. retrs. - Coleccion Cientifica de Time-Life . Subjects--Topical Terms: Aeronautica---Historia Dewey Class. No.: 629.13 STE