Senn, Alfred Erich.
The Russian Revolution in Switzerland, 1914-1917 /
Alfred Erich Senn 
. - Madison : London : University of Wisconsin Press,  1971 
. - xvi, 250 p.  24 cm. 
<br/>К.: Бібліогр. : c. 239-241, Index 
<br/><label>  ISBN: </label>299-05941-3