00290nam a2200109Ia 450000500170000000800410001708200140005810000190007224500400009126000410013130000080017220260224040843.0260224s9999||||xx |||||||||||||| ||und||  a581.6 SIM  aSimpson, B.B.  0aEconomic botany plants in our world  aNew York: Mc-Graw-Hill Book Coc1986  a640