Home›Books›Oblastnoĭ seminar-soveshchanie Ėkologicheskoe sostoi͡anie vodnykh obʺektov i puti ego uluchshenii͡a (1996 Staryĭ Oskol, Russia)Oblastnoĭ seminar-soveshchanie Ėkologicheskoe sostoi͡anie vodnykh obʺektov i puti ego uluchshenii͡a (1996 Staryĭ Oskol, Russia)No biography available.No works found.