LEADER 00337nam a2200109a 4500 001 2910 006 bevantic 008 20000101s xx# 090 |b16025 |dVaris Gri.54; 299 |c |e |f |g |i |h 245 |yBoletin bibliografico -68- estudios regionales -consejo sup. investigaciones cientificas. |b |k |d |e 260 Madrid |b |cd.d. |i 300 15 p. |b |c |f |i |l |m |p