TY  - BOOK
AU  - "United Nations, Economic Commission for Europe"
ED  - "United Nations, Economic Commission for Europe"
TI  - Working environment in the construction industry
U1  - "X9(D3:7):89MA.1.N8, M5/UN" 
PY  - 1985///
CY  - New
PB  - York United Nations U. S. A.  
KW  - Housing Industry
ER  -