TY  - BOOK
AU  - Nowacki,T.
ED  - United Nations.
TI  - Basic concepts connected with the economics of agriculutral mechanization
U1  - 631.3 
PY  - 1968///
CY  - Geneva
PB  - Economic commission for Europe
KW  - Agricultural machinery
KW  - Agricultural mechanics
KW  - Agricultural processing plants
N1  - Includes bibliography: p. 28-30
ER  -