Litteraturförteckning
- Axelsson , V. 1955 . Rapaälven, dess delta samt sedimentationen i Laitaure . Ymer , 75
- Buringh , P. 1955 . Some problems concerning aerial photo-interpretation in soil survey . Netherlands Journal of agricultural science , 3
- Hoppe , G. 1952 . Hummocky moraine regions with special reference to the interior of Norrbotten . Geografiska Annaler , 34
- Hoppe , G. 1957 . Problems of glacial morphology and the Ice Age . Geografiska Annaler , 39
- Hoppe , G. 1958 . Flygbilden som vetenskapligt hjälpmedel. Svensk Naturvetenskap 1957–1958 . Naturvetenskapliga forskningsområdets årsbok , 11
- Melton , F. A. 1956 . Problems of the photogeologist in “flatland” regions of low dip . Photogrammetric Engineering , 22
- Schmidt-Kraepelin , E . 1958 . Methodische Fortschritte der wissenschaftlichen Luftbildinterpretation . Erdkunde , 12
- Veenenbos , J. S. U.å . Aerial photo-interpretation and analysis for soilsurvey and landclassification purposes