TY  - BOOK
AU  - Klenin, N.I. 
AU  - Popov, I.F. Sakun, V.A.
TI  - Agricultural machines: theory of operation, computation of controlling parameters and the conditions of operation part 1
SN  - 9061914485
PY  - 1986///
CY  - Rotterdam
PB  - A.A. Balkema
KW  - Agricultural machinery
ER  -