TY  - BOOK
ED  - ECE Symposium on Problems Relating to Environment
ED  - ECE Symposium on Problems Relating to Environment
ED  - ECE Symposium on Problems Relating to Environment
ED  - United Nations.
TI  - 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)
AV  - TD5 .E2 1971
U1  - 333.7/2/094 
PY  - 1971///
CY  - New York
PB  - United Nations
KW  - Environmental engineering
KW  - Congresses
KW  - Local
KW  - Environmental policy
N1  - "United Nations publication. Sales number: E.71.II.E.6."; Includes bibliographical references
ER  -