//-->
Technical conversion factors for agricultural commodities : (Provisional issue of the rev. and enl. ed. of the FAO handbook on technical conversion factors for agricultural commodities, publ. 1960. Facteurs de conversion techniques pour les produits agricoles. Manual de la FAO [Food and Agriculture Organization] sobre coeficientes y normas de conversión para productos agropecuarios)
(1972)
Crop production data in Uganda : a statistical evaluation of international agricultural census methodology
Belshaw, D. G. R., (1975)
Trends in Canada's agricultural trade and production 1959-69 : a statistical look at Canadian-U.S. competition
Missiaen, Edmond, (1970)