Custodians of the commons : pastoral land tenure in East and West Africa / Lane, Charles R. Pastoral systems Pastoral systems Land tenure Land tenure Land use, Rural Land use, Rural 333 EAR 1998 A019 Co. London : Earthscan Publications, 1998. 1998. Text xviii, 238 p. : http://www.loc.gov/catdir/enhancements/fy1111/98148608-b.html