000 00843nam a2200265zi 4500
005 20210407112445.0
008 040830d1992ng0 13
020 _a0878071092
035 _aMX001000627924
050 _aQH84
_bR93
100 0 _aRyan, John C.,
_eautor
245 1 0 _aLife support :
_bConserving biological diversity /
_cJohn c. ryan ; vicki elkin, research assistant ; ed ayres, ed.
264 1 _aWashington, D.C. :
_bWorldwatch institute,
_c1992
300 _a62 páginas
490 0 _aWorldwatch paper ;
_vno. 108
650 _aEcología
650 _aBiodiversidad
700 _aElkin, Vicki,
_ecolaborador
700 _aAyres, Ed,
_eeditor
710 2 _aWorldwatch Institute
336 _atexto
_2rdacontent
337 _asin medio
_2rdamedia
338 _avolumen
_2rdacarrier
999 _c5573
_d5573