RT Book, Section T1 On the Structure of Embedded Algebroid Surfaces A1 Luengo Velasco, Ignacio PB Peter Orlik SN 0-8218-1466-4 YR 1983 FD 1983 LK https://hdl.handle.net/20.500.14352/65428 UL https://hdl.handle.net/20.500.14352/65428 DS Docta Complutense RD 10 abr 2025