000 00403nam a2200169Ia 4500
040 _aIFD N° 12
082 _a574.5
_bSMI
100 _aSmith Robert Leo
245 0 _aEcologia
250 _a4TA.ED
260 _aMadrid :
_bPEARSON EDUCACION,
_c2001
300 _a664 p.
700 _aSmith Thomas M
942 _2ddc
_cLIB
999 _c4944
_d4944