Verhoef, J, Collette, BJ, Dañobeitia, JJ, Roeser, HA and Roest, WR, 1991, Magnetic anomalies off West Africa (20° - 38°N); Mar. Geophys. Res, 13, 81-103.
Verhoef, J, B. J. Collette, J. J. Dañobeitia, H. A. Roeser and W. R. Roest, 1991. Magnetic anomalies off West Africa (20°-38°N), Marine and Geophysical Research, 13, pp. 81-103.