Pressure model of a four-way spool valve for simulating electrohydraulic control systems /
Vernon D. Gebben.
APA Citation
Gebben, V. D., United States. National Aeronautics and Space Administration. (1976). Pressure model of a four-way spool valve for simulating electrohydraulic control systems. Washington: National Aeronautics and Space Administration .
MLA Citation
Gebben, Vernon D, and United States. National Aeronautics and Space Administration. Pressure Model of a Four-way Spool Valve for Simulating Electrohydraulic Control Systems. Washington: National Aeronautics and Space Administration , 1976.
Warning: These citations may not always be complete (especially for serials).