RT Book, Section T1 Materialismo A1 López Álvarez, Pablo PB Espasa SN 84-670-1302-8 YR 2003 FD 2003 LK https://hdl.handle.net/20.500.14352/60580 UL https://hdl.handle.net/20.500.14352/60580 LA spa DS Docta Complutense RD 6 abr 2025