00350nam a2200121Ia 450000500170000000800410001702000180005805000170007610000170009324500650011026000340017565000190020920251229192441.0251229s9999    xx            000 0 und d  a0 333 39241 8  aSB 111 .K62   aKoche, S. H. 0aTropical crops b A textbook of economic botany.cS. H Koche  aHong Kongb Macmillian c1981  aTropical Crops