共 50 条
- [41] SAFE ACCESS TO FARM TRACTORS AND TRAILERS JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH, 1991, 50 (03): : 219 - 237
- [42] REDUCING NOISE IN LARGE FARM TRACTORS SAE JOURNAL OF AUTOMOTIVE ENGINEERS, 1972, 80 (09): : 52 - &
- [47] VARIATIONS IN FORWARD MOTION OF FARM TRACTORS TRANSACTIONS OF THE ASAE, 1975, 18 (03): : 401 - &
- [50] THE FARM DEMAND FOR TRACTORS, MACHINERY AND TRUCKS JOURNAL OF FARM ECONOMICS, 1959, 41 (02): : 323 - 331