New Generation Methods for Spur, Helical, and Spiral-bevel GearsMicroform - 1986
Publisher: [Washington, D.C.] : National Aeronautics and Space Administration ; [Springfield, Va. : For sale by the National Technical Information Service, 1986]
Characteristics: 7,  p. : ill ; 28 cm
No similar edition of this title was found at NSLibrary.
this is available, but you have to get it at the library