00581nam a2200193   450000500170000000600040001700700040002100800040002502000150002904000090004405000150005310000210006824501470008926000500023630000180028650000370030465000180034170000280035920170720114742.0000000000  a9054480157  aUOEL  aSB269b.H6  aHoutcamp John A.  aCommidity Auctions in Tropical Africa :ba survey of the African tea, Tobacco and coffee auctions /cJohn A. Houtkamp, H. Laurens van der Laan  aNethrlands :bAfrican studies Centre,cc1993.  a93 p. :bill.  aincludes bibliographical indexes  aPlant Culture  aH. Laurens van der Laan