TY  - BOOK
AU  - Harper,David
AU  - Wooff,Chris
AU  - Hodgkinson,D.
TI  - A guide to computer algebra systems
T2  - Wiley profesional computing
SN  - 0471929107
PY  - 1991///
CY  - Chichester
PB  - John Wiley & Sons
KW  - Algebra
KW  - Data processing
N1  - Includes index
ER  -