000 00256nam a2200121 a 4500
003 EIA
001 1880
942 _02
_2ddc
_cBK
245 _aEstudio de ecologĂ­a humana
260 _c1974
008 141112s1974 ck r 000 u spa d
082 _a573
_bT44
999 _c5352
_d5352