000 00652nam a22002057u 4500
003 EC-PaCDF
005 20181214115629.0
008 060603s1992 hiu|||||||||||||||||eng|d
020 _a0160426154
_cNormal
040 _aEC-PaCDF
_bspa
_cEC-PaCDF
041 _aeng
082 0 4 _a577.2
_223
100 1 _aHyatt, D. E.
_eeditor
245 1 0 _aBiological populations as indicators of environmental change :
_bvolume 1 /
_cby: D. E., Hyatt.
260 3 _aWashington, D. C., USA :
_bU. S. Environmental Protection Agency,
_c1992.
300 _a146 p. :
_bil. tablas, mapas ,
_c27 cm.
546 _aIngles
700 1 _aGutenson, O.
_eeditor
942 _2ddc
_cBOOK
999 _c5495
_d5495