00380nam a2200121Ia 4500 140113s9999 xx 000 0 und d 631.361.724:633.852.52(047.3) L1 "Collins,G.A. & Coward, L.D.G." The improvement of hand operated groundnut decorticating machines 1971 Tropical Products Inst. London 8 BK 0 0 0 0 VTL VTL 2014-01-13 0 631.361.724:633.852.52(047.3) L1 VBK2562 2014-01-13 00:00:00 2014-01-13 BK 59243 59243