Iranga, Mwita Donatian Results of geomagnetic observations made at the geomagnetic observatory of the University of Dar es Salaam in 1969 - Dar es Salaam University of Dar es Salaam 1969 - 82p. 30cm. Subjects--Topical Terms: Geomagnetism LC Class. No.: GY QC831.D3I72