1. |
G. I. Belchanskii, A. N. Vasil'ev, N. E. Zhuravel, A. P. Pichugin, “Indication of the ecological-geochemical transformation of soils under action of technogenous hydrocarbon gases and their remote identification”, Dokl. Akad. Nauk SSSR, 313:5 (1990), 1082–1085 |