1. Remote sensing and African development;ADEDEJI;Photogrammetria,1988
2. Detection Aérienne. De vestiges protohistoriques Gallo-Romains et Médiévaux dans la basin dè la Somme et ses abords;AGACHE,1970
3. Moorland soil erosion and spectral reflectance;ALAM;International Journal of Remote Sensing,1987
4. Russian satellite images;MEVES;International Journal of Remote Sensing,1988
5. Soil classification for England and Wales. (Higher categories);AVERY,1980