TY  - BOOK
AU  - Wendorf,Fread  .
AU  - Schild,Romuald  .
TI  - Prehistory of the nil valley / 
U1  - 556.2 
PY  - 1989///
CY  - London : 
PB  - Academic Press , 
KW  - GEOLOGY-NILL VALLEY
N1  - NULL
ER  -