TY  - BOOK
AU  -  Maring,J.
ED  -  United Nations. Economic Commission for Europe.
TI  -  Technical aspects in the prevention of noise from agricultural tract ors : :  report transmitted by the government of the Netherlands / 
PY  - 1973///
CY  -  New York : 
PB  -  United Nations, 
KW  -  Tractors
ER  -