TY  - BOOK
AU  - Porteous,I. R.
TI  - GEOMETRIC DIFFERENTIATION
SN  - 0521002648
U1  - 516.36 
PY  - 2001///
CY  - 
PB  - Cambridge Univ. Press, Cambridge
KW  - Geometry, Diffferential
KW  - Curves
KW  - Surfaces
ER  -