TY  - BOOK
AU  - Bruce J W
AU  -  Giblin P J
TI  - Curves and singularities:  A geometrical introducti   
U1  - B6:3, M4 
PY  - 1984///
CY  - Cambridge
PB  - Cambridge University Press        
KW  - Geometry
N1  - Bibliography: P 211-212
ER  -