Egilea
International Congress of Anthropological and Ethnological Sciences
2
Africa Symposium on Horticultural Crops Nairobi, Kenya
1
Arens, W., 1940-
1
Chweya, James A.
1
Convegno di scienze morali, storiche e filologiche Rome
1
De Wet, Jan M. J.
1
Harlan, Jack R. (Jack Rodney)
1
International Congress of Anthropological and Ethnological Sciences Chicago
1
International Society for Horticultural Science. Commission for Tropical and Subtropical Horticulture
1
Stemler, Ann B. L.
1
Waithaka, Kimani
1
Weissleder, Wolfgang, 1920-
1