00390nam a22001337a 4500008004100000020001500041020001500056082001200071100002100083245005800104260005400162300001400216500002600230101217t        xxu||||| |||| 00| 0 eng d  a0819147273  a0819147281  a327.730  aDickson,David A.  aSub-Saharan Africa.bChange Continuity and Constraint  aLanham:bUniversity Pressof America, Inc.,c1985.  axix,195p.  aincludes bibliography