Cereal cultivation in East Africa (Ethiopia). 2:
Ciferri, Raffaele
Cereal cultivation in East Africa (Ethiopia). 2: The wheats (Triticum) pyramidale, turgidum, polonicum and dicoccum - 1939 - Printed
Cereal cultivation in East Africa (Ethiopia). 2: The wheats (Triticum) pyramidale, turgidum, polonicum and dicoccum - 1939 - Printed