On Ecological-Geochemical Monitoring in Kamchatka (the Mutnovsky-Asachinsky Ore Region)
V. M. Okrugin, J. M. Stefanov, R. A. Shuvalov, A. M. Okrugina and I. I. Stepanov
Department of Physical-Chemical Methods of Analysis and Mineralogy, Institute of Volcanology FER RAS, Bulvar Piipa 9, Petropavlovsk-Kamchatsky, Russia 683006 (FAX 41500-54723)