000 00298nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aSwanson ( Timothy M) and Barbier ( Edward B)
245 0 _aEconomics for the Wilds
260 _bEarths can
260 _c1992
365 _b698
942 _cBK
999 _c216881
_d216881