000 00368nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
245 _aCost and income structure of the cultivation and decortication of sisal in Natal
260 _aPretoria
260 _c1971
300 _a22 p.
440 _aNo. 75; Africa S Department of
901 _pS29040
942 _cB
_2udc
999 _c119067
_d119067