=LDR 22 4500 =001 4225 =082 04$a2004 KEN =100 1\$aKenny, Patricia =245 10$aPhytolith and stable carbon isotope analysis of surface sediments on the Laikipia Plateau, Kenya, East Africa =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c2004 =650 \0$aDissertations =852 \\$bFreeman Library$h2004 KEN