Handbook of aerial mapping and photogrammetry / by Lyle G. Trorey,With a foreword by W.W. Williams. Aerial mapping. Trorey, Lyle G. Photographic surveying. Aerial photography. Cartography. 526.98 TRH Includes Index. Cambridge [Eng.] : University Press, c1952. c1952. 1952 Text xvi, 180 p. : eng