TY  - BOOK
AU  - Dress,Andreas
AU  - Haeseler,Arndt von
ED  - Trees and Hierarchical Structures Conference
TI  - Trees and Hierarchical Structures: Proceedings of a Conference held at Bielefeld, FRG, Oct. 5-9th, 1987 
SN  - 3540524533
PY  - 1990///
CY  - Berlin
PB  - Springer-Verlag
N1  - bibliogr
ER  -