Gouin, P., Bull. Geophys. Obs., Haile Selassie I Univ., Addis Ababa, 3, No. 2 (December 1963). Vestine, E. H., et al., Carnegie Inst. Washington, Publ. No. 578 (1949 ...
SINCE November 1955 a magnetic observatory has been in operation at University College, Ibadan (lat. 7° 26′ N., long. 3° 54′ E.), 2° 34′ south of the magnetic equator. Between November 25, 1956, and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results