TY  - BOOK
TI  - Ulrich's international periodicals directory 1989-90: now including irregular serials and annuals
SN  - 0-8352-2732-4
U1  - 011.34 
PY  - 1989///
CY  - New York
PB  - Bowker-Saur
KW  - Publicaciones periódicas
KW  - Bibliografías
N1  - Contents: Vol.1 Subjects A-G, - Vol.2 Subjects H-Z, - Vol.3 Indexes
ER  -