00332nam a2200097Ia 4500008004100000082003900041100003600080245007000116260004200186300000600228140113s9999 xx 000 0 und d a631.361.724:633.852.52(047.3) L1 a"Collins,G.A. & Coward, L.D.G." aThe improvement of hand operated groundnut decorticating machines a1971bTropical Products Inst.cLondon a8