000 00489nam a2200181Ia 4500
001 195933
003 BIBL
005 20210210062649.0
008 711013s1990 sp b 00000 spa
050 0 0 _aQH540
_b.E265 1990
082 _a574.5
245 0 0 _aEcologĂ­a
_bel planeta amenazado.
260 0 _aMadrid
_bUniversidad Complutense de Madrid
_c1990.
300 _a182 p.
504 _aBibliography : p. 182.
650 0 _aEcology
_989958
650 0 _aEnvironmental policy
_2Local
_992411
999 _c148237
_d148237