00352nam a2200133Ia 450000500170000008000190001710000230003624500710005926000250013030000140015558300190016994200130018899900170020120260716043034.0  a08.06.02 B3195  aBassey, Michael W.  aAbrasive-disk dehullers in Africa : from research to dissemination  bIDRCaOttawaCAc1989  aix, 98 p.  c3/7/00kM2LMGR  cMmB3195  c39171d39171