TY  - BOOK
AU  - Echolm, Erik
AU  - Brown, Lester R
TI  - Spreading deserts-the hand of man
SN  - 0-916468-12-7
U1  - 574.2365 21st
PY  - 1977///
CY  - Washington
PB  - Worldwatch Institute
KW  - Deserts-Social aspects; Desertification
ER  -