TY  - BOOK
AU  - Williams, M.A. J.
AU  - Williams, M.A. J. Adamson D.A.
TI  - Land Between Two Niles : Quaternary Geology And Biology Of Centeral Sudan
U1  - H55v672 
PY  - 1982///
CY  - Rotterdam
PB  - A.A. Balkema
KW  - H55v672
ER  -