Giurescu, Constantin C..
Nomadic population in the Euro-Asia area and the part they played in the formation of medieval states /
Constantin C. Giurescu 
. - San Francisco : Cish Aha,  1975 
. - 62 p.  21 cm. 
<br/><br/> Відбитка : XIV International Congress of Historical Sciences, San Francisco, August 22-29, 1975.