TY - BOOK ED - Orlik, Peter TI - Singularities T2 - Proceedings of symposia in pure mathematics; no.40,pt.1 & 2 SN - 0821814508 U1 - 514.7 PY - 1983/// CY - Providence,Rhode Island PB - American Mathematical Society KW - Singularities(Mathematics)--Congresses ER -