ГЕОМОРФОЛОГИЧЕСКИЕ УСЛОВИЯ БАССЕЙНА ВЕРХНЕЙ И СРЕДНЕЙ ОКИ И ИХ ВЛИЯНИЕ НА ВОЗНИКНОВЕНИЕ ГОРОДОВ В ЭПОХУ СРЕДНЕВЕКОВЬЯ

Abstract

Persistent development of towns from the Middle Ages until now occur in the sites where complex of physiographic and geomorphologic conditions make favorable medium for human being. The Oka-river basin represents probably an example of comfortable conditions for Slavonic ethnos.