TY  - BOOK
AU  - Webb,James Lewis Adrian
TI  - Shifting sands: an economic history of the Mauritanian Sahara, 1500-1850 
U1  - 966.1 21E
PY  - 1993///
CY  - Ann Arbor
PB  - University Microfilms International
KW  - NOMADISME
KW  - GROUPE ETHNO CULTUREL
KW  - RELATION INTERRELIGIEUSE
KW  - PRODUCTIVITE
KW  - CLIMAT
KW  - COMMERCE CARAVANIER
KW  - MIGRATION
KW  - MAURITANIE
N1  - Th.:Hist.:Baltimore, Johns Hopkins University:1984; Th. : Hist. : Baltimore, Johns Hopkins University : 1984; Bibliogr. p. 243-284
ER  -