Wright, J. B.  1931- <br/><br/>
Geology and mineral resources of West Africa / 
J.B. Wright, editor and principal author ; with contributions from D.A. Hastings, W.B. Jones, and H.R. Williams. 
 - London [England] ;  Boston :  Allen & Unwin,  1985. 
 - xiii, 187 p. :  ill. ;  26 cm.