CREATION OF BIOSPHERE RESERVES AND NATIONAL PARKS FOR THE DEVELOPMENT OF RESEARCH AND ECOLOGICAL TOURISM (ON THE EXAMPLE OF THE EXPERIENCE OF THE SOVIET UNION)
Vestnik Moskovskogo gosudarstvennogo oblastnogo universiteta. Seriâ: Estestvennye nauki/Vestnik Moskovskogo gosudarstvennogo oblastnogo universiteta. Seriâ Estestvennye nauki