1. Seasonal changes of the agricultural landscape interpreted from aerial photographs;Boesch;Geograph. Helv.,1960
2. Interpretation of land utilization from aerial photographs;Boesch;U.S. Army Contract No. DA-91-591-EUC-975-01-1093-59, Final Rept.,1959
3. L'aerofotogrammetria e un saggio di carta agraria al 25.000 della Sicilia;Bonasera;Boll. Soc. Geograf. Ital.,1958
4. Frühgeschichtliche und mittelalterliche Siedlungsrelikte im Luftbild. Landeskundl;Born;Luftbildauswertung Mitteleuropäischen Raum,1960
5. Seasonal changes of the agricultural pattern;Brunnschweiler;Photogrammetric Eng.,1957