000 00543nam a2200145 a 4500
005 20190520021431.0
008 090325s19uu xx 00 eng d
100 1 0 _aWolf, Edward C.
245 1 0 _aOn the brink of extinction :
_bconserving the diversity of life /
_cEdward C. Wolf.
260 0 _aWashington, DC :
_bWorldwatch Institute,
_c1987.
300 _a54 p. : ill.
440 0 _aWorldwatch paper ; 78
650 _aBiological diversity conservation
852 _7Gift
999 _c35249
_d35249