International rivers and lakes : a newsletter. No. 18, May 1992.
1992
详细记录
符号***
标题International rivers and lakes : a newsletter. No. 18, May 1992.
索书号
UNST/TCD/NRED(05)/N3
日期[New York] : Department of Economic and Social Development, UN, 1992.
描述
23 p.