TY  - BOOK
AU  - 
TI  - Man and the biology of arid Zones
SN  - 0839111924
AV  - QH541.5.D4 C5 1977
U1  - 574.5/265 
PY  - 1977///
CY  - Baltimore
PB  - University Park Press
KW  - Desert ecology
KW  - Sahara
KW  - Nature
KW  - Effect of human beings on
N1  - Includes index; Bibliography: p. [172]-177
ER  -