ECE Symposium on Problems Relating to Environment : proceedings and documentation of the symposium organized by the United Nations Economic Commission for Europe and held from 2 to 15 May 1971 in Prague (Czechoslovakia) with a study tour to the region of Ostrava (Czechoslovakia) and Katowice (Poland)
ECE Symposium on Problems Relating to Environment
Bok Engelsk 1971
| Utgitt | New York : United Nations , 1971
|
|---|---|
| Omfang | VII, 386 s. : ill.
|
| Emner |
