000 00279nam a2200097Ic 4500
008 240520s9999 xx 000 0 und d
100 1 _aBoulding, Kenneth
245 1 0 _aMalthus - population; the first essay /
_cKenneth Boulding
264 1 _bThe Univ. of Michigan
_c1971
942 _cBK
999 _c18570
_d18570