000 00342 a2200121 4500
080 _a631.58(6)
_bD 278 S
245 1 _aShifting cultivation in Africa
_bThe Zande system of agriculture
_cby Pierre de Schlippe
260 _aLondon
_c1956
650 _aShifting Cultivation
100 1 _aSchlippe de, Pierre
_d
300 _a304 p.
901 _a51173
999 _c44939
_d44939