Modern ecologic-geographical problems of the Tsei regreation region

by Beroev, B. M.
Published in Fundamental and applied problems of environmental protection. Vol. 4 : International conference, September, 12-16, 1995, Tomsk : abstracts

To the question of use of the carst caves in the tourists excursional purposes

by Beroev, B. M.
Published in Fundamental and applied problems of environmental protection. Vol. 4 : International conference, September, 12-16, 1995, Tomsk : abstracts

Ecologo-geographical peculiarities of mountain bee-keeping in the North Caucasus

by Beroev, B. M.
Published in Fundamental and applied problems of environmental protection. Vol. 2 : International conference, September, 12-16, 1995, Tomsk : abstracts