History and activities of locusts in Kenya and relative costs of destruction
Harrison, E.
History and activities of locusts in Kenya and relative costs of destruction - Nairobi 1929 - 1-26 p. - History, Costs South Africa Department of Agricultural Technical Services. Bulletin No. 9 .
History and activities of locusts in Kenya and relative costs of destruction - Nairobi 1929 - 1-26 p. - History, Costs South Africa Department of Agricultural Technical Services. Bulletin No. 9 .