Pritsak, Omeljan.
The origins of the Old Rus’ weights and monetary systems: two studies in Western Eurasian metrology and numismatics in the seventh to eleventh centuries /
Omeljan Pritsak ; Harvard Ukrainian Reserсh Institute 
. - Cambridge : Harvard University Press,  1998 
. - xiv, 172 p.  ill., tab.  23 cm. 
 - (Harvard series in Ukrainian studies )
<br/>К.: Бібліогр. : c. 139-160, Покажчик 
<br/><label>  ISBN: </label>0-916458-48-2