Fundamental Hydraulic Principles for Agricultural Systems Management and TechnologyRobert M. Stwalley, Roger TormoehlenPocketEngelskLegg i handlekurvNettlager
Advanced Design Topics for the Engineering of Agricultural and Mechanical EquipmentRobert M. Stwalley, Roger TormoehlenPocketEngelskLegg i handlekurvNettlager
The Development and Impact of the Purdue Rising Scholars ProgramCarol S. Stwalley, Roger Tormoehlen og 1 annenPocketEngelskLegg i handlekurvNettlager
Mechanized Tube Well InstallationGrace L. Baldwin Kan-uge, Roger Tormoehlen og 1 annenPocketEngelskLegg i handlekurvNettlager
