1. Addison, J. R.: 1969, ?Electrical Properties of Saline Ice?,J. Appl. Phys. 40, 3105?3114.
2. Anderson, V. H.: 1966, ?High Altitude Side-Looking Radar Images of Sea Ice in the Arctic?, Proceedings of the Fourth Symposium on Remote Sensing of Environment, Environmental Research Institute, Ann Arbor, Michigan, pp. 845?857.
3. Bogorodsky, V. V. and Tripol'nikov, V. P.: 1973, ?Electromagnetic Characteristics of Sea Ice in the Range of 30?400 MHz?,Dokl. Akad. Nauk S.S.S.R. 213, 577?579.
4. Bogorodsky, V. V. and Khokhlov, G. P.: 1975, ?Electrical Properties of Ice in the Ice Edge Zone of the Bering Sea at 10 GHz Frequency?, Proceedings of the USSR/USA Bering Sea Experiment, NASA Goddard, pp. 219?233.
5. Bradley, G. A.: 1971, ?Remote Sensing of Ocean Winds Using a Radar Scatterometer?, University of Kansas, CRES Technical Report No. 177-22, 201 pp.