Nielsen, Hans Frede..
The Germanic languages : origins and early dialectal interrelations /

. - Tuscaloosa ; London  : University of Alabama Press,  1989 
. - x, 178 p. : ill., map.  23 cm. 
<br/>К.: Бібліогр. : с. 153-170. 
<br/><label>  ISBN: </label>0-8173-0423-1