Bibliographien:Zeitschriften C 128.793 Kat. 

Peribdicals-directory Ulrichs international.Ulrich's 
international Periodicals Directory. 
~ classified guide to currentperiodicals, 
foreign and domestic. 16.ed~ 1975


o

1976.-New York [usw.J: Bowker 1975. XLIII, 

40

2289 9. 

° 

(Bowker Serials Bibliography.)