TY  - GEN
AU  - Efimov, D.N.
AU  - Marchenko, O.S.
AU  - Panov, I.M.
AU  - Yatsuk, E.P.
TI  - Rotary soil working machines: construction, calculation and design
U1  - 631.31 YAT 
CY  - Newdelhi, Amerind Publishing Co Pvt Ltd
KW  - Soil - working machines
ER  -