共 50 条
- [32] USING FARM MACHINERY EFFECTIVELY ALABAMA AGRICULTURAL EXPERIMENT STATION BULLETIN, 1979, (510): : 3 - 23
- [34] USING FARM MACHINERY EFFICIENTLY WYOMING AGRICULTURAL EXPERIMENT STATION BULLETIN, 1979, (NR482): : 1 - 23
- [36] Light construction in farm machinery ZEITSCHRIFT DES VEREINES DEUTSCHER INGENIEURE, 1937, 81 : 697 - 697