TY  - BOOK
AU  - Opitz, Helmut (Ed.) 
AU  - Strasser, Karl-Heinz (Ed.) 
TI  - Publishers' international directory with ISBN index 
PY  - 1988///
CY  - Munchen: 
PB  - K G Saur Verlag, 
KW  - Graphic industries
KW  - Book number
N1  - Vol. 1 (Afghanistan - Uruguay; ISBN: 3-598-20537-6; xix, 1p.-904p.)
Vol. 2 (U.S.A. - Zimbabwe ISBN index; ISBN: 3-598-20537-6; 905p.-1770p.)
ER  -