Slope measurements and estimates from aerial photographs
By: J.F. Mekel, J.F. Savage and H.C. Zorn.
Contributors: Savage, J. F.; Zorn, H. C.
Edition: 3rd and rev.ed.
Series: Publications of the International Institute for Aerial Survey and Earth Sciences. series B -- no.26
Publisher: International Institute for Aerial Survey and Earth Sciences
Published: 1970
Place of publication: Delft
Language: eng
Notes: Previous ed, 1967.