International rivers and lakes : a newsletter, no. 14, May 1990.
1990
详细记录
符号***
标题International rivers and lakes : a newsletter, no. 14, May 1990.
索书号
UNST/TCD/NRED(05)/N3
日期New York : UN, 1990.
描述
17 p.
备注
Issued by :Department of Technical Co-operation for Development.