Instructions for the preparation and despatch of climatological retu rns - Nairobi : East African Meteorological Department, [n.d.] - v. : ill. ; 34 cm. - East African Meteorological Department. Observors' manual ; no. 2 2 . Subjects--Topical Terms: Meteorological -- Africa, East. Climatology -- Observations. Gov. Doc. Class. No.: G.EAC M47 (08) 4/22