RT Journal Article T1 Bathonian Working Group. A1 Fernández López, Sixto Rafael PB IUGS YR 2003 FD 2003 LK https://hdl.handle.net/20.500.14352/58756 UL https://hdl.handle.net/20.500.14352/58756 LA eng DS Docta Complutense RD 6 abr 2025