TY  - BOOK
AU  - Porteous,I.R.
TI  - Geometric differentiation: for the intelligence of curves and surfaces
SN  - 0521002648
PY  - 2001///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Geometry, Differential
KW  - Curves
KW  - Surfaces
N1  - Includes bibliographical references and index
ER  -