TY - BOOK AU - Wall,C.T.C. ED - Liverpool Singularities Symposium TI - Proceedings of Liverpool Singularities Symposium II SN - 0387055118 (pbk) : U1 - 510.82 PY - 1971///- CY - Berlin PB - Springer-Verlag KW - Singularities (Mathematics) KW - Congresses KW - Geometry, Differential KW - Differential topology N1 - Text in English or French ER -