006550000a22002530004500 0001951 86963 20050429d kk frey50 ES 951p. il. 27cm Ecologia 20251209142759.0 spa Ecologia Ramón Margalef 84-282-0405-5 B.47.800-2004 86963 574 ECO ESSVS - ISCSN BPDFOT Monografia BPDFOT - C.FARM. Barcelona Omega 2005 Margalef Ramón 0 0 2025-12-09 1951 MONOG 156558 BVSI BVSI BVSI1951 BVSI 574 ECO 0 MON Notas:1 exemplar;