TY  - BOOK
AU  - NORWAY, STATISTICS (Central Bureau of-)
ED  - NORWAY, STATISTICS (Central Bureau of-)
TI  - Statistical yearbok of Norway 1971:  90th issue   
U1  - B28n.573.N71, L1 
PY  - 1971///
CY  - Oslo
PB  - Central Bureau of Statistics       
ER  -