Aridity zones and dryland populations ::  an assessment of population levels in the world's drylands

Aridity zones and dryland populations : an assessment of population levels in the world's drylands

1997

格式

符号***

标题Aridity zones and dryland populations : an assessment of population levels in the world's drylands

索书号

DP/UNSO(02)/D799

日期New York : Office to Combat Desertification and Drought (UNSO), UNDP, Sept. 1997

描述

23 p. : maps, charts, tables