Kilford, W. K.
Elementary air survey [Text] Kliford, W. K. - 3rd ed. - London ELBS and Pitman 1973 - 347 p. diagrs., illus., 22 cm.
Mathematical Geography
526.982 / KLI
Elementary air survey [Text] Kliford, W. K. - 3rd ed. - London ELBS and Pitman 1973 - 347 p. diagrs., illus., 22 cm.
Mathematical Geography
526.982 / KLI