"Ploughs" . . "Maskiner" . . "Harver" . . "Mechanical engineering" . . "Harrows" . . "Disks" . . "Disk soil-working implements" . "Disk soil-working implements"@en . . . . . . . . . . . "Disk soil-working implements / P.S. Nartov ; translator, M.M. Sivaramakrishnan" . . . . . . . . . . . . . . . . . . "Kinematics of disk working parts; Displacement of soil mass by the workin surface of spherical disks; Forces acting on working tools of disk implements; Design procedure for the working tools of disk implements. Principal types of disk soil-working implements." . . . . . "Disk soil - working implements" . . . . . . . . . . . "Tallerkener" . . . . "Kultivatorer" . . "Agricultural machinery." . . "Design" . . "Cultivators" . . "Machinery" . . "Plove" . . "Maskinteknik" . .