TY  - BOOK
AU  - Hagen,H., x
AU  - x
TI  - Geometric modeling: Methods and applications
SN  - 3540536442
U1  - 001.64/G342 
PY  - 1991///
CY  - Berlin ; London
PB  - Springer-Verlag
KW  - Computer graphics - Congresses
N1  - Includes
ER  -