TY  - BOOK
AU  - 
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : A seminar of the United Nations Economic Commission for Europe
SN  - 0-08-022391-5
SN  - 2
PY  - 1978///46
CY  - Sweden
PB  - Pergamon.
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
N1  - 5
ER  -