Short description: In Russian. Gudilin, Ilya Semenovich. Application of aeronautical methods in engineering-geological and hydrogeological investigations. Moscow: Nedra, 1978 Primenenie aerometodov pri inzhenerno-geologicheskikh i gidrogeologicheskikh issledovaniyakh/Application of aeronautical techniques in geological engineering and hydrogeological research In Russian. The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU7621423