000 00290nam a2200109Ia 4500
008 140113s9999 xx 000 0 und d
082 _a"574.9""1492"" L3"
100 _a"Crosby Jr., Alfred. W."
245 _aThe Columbian Exchange
260 _a1972
_bGreen & Press
_cWestport
942 _cBK
999 _c59375
_d59375