TY  - BOOK
AU  - Wall, C.T.C ed.
TI  - Proceedings of Liverpool singularities
U1  - 515.73 
PY  - 1971///
CY  - Berlin
PB  - Springer-Verlag
N1  - Lectures notes in mathematics,no 192 ,209. "Symposium 1 and 2"
ER  -