books.google.com - The period treated in this volume is highlighted by the slow retreat of nomadism and the progressive increase of sedentary polities owing to a fundamental change in military technology: Furthermore, this period certainly saw a growing contrast in the pace of economic and cultural progress between Central...http://books.google.com/books/about/History_of_Civilizations_of_Central_Asia.html?id=AzG5llo3YCMC&q=Kyrgyz%2520etymology&utm_source=gb-gplus-shareHistory of Civilizations of Central Asia
