TY  - BOOK
AU  - Saur, K G 
TI  - Publishers' International ISBN Directory vol.1 : geographical section A-Q 
SN  - ( 29th ed.2002/2003). -
U1  - 011.5 SAU 
PY  - 2002///
CY  - Berlin 
PB  -  International ISBN Agency
KW  - ISBN Directory
ER  -