TY  - BOOK
ED  - Classification Society(FRG), 9th Annual Meeting, Karlsruhe.
TI  - Classification as a tool of research:Proceedings
U1  - 000SA.54 
PY  - 1986///
CY  - North-Holland
PB  - Amsterdam
KW  - Classification as a tool of research, Proceedings>
N1  - Ed. by W Caul and M Schader
ER  -