Topology of modified helical gears /

Bibliographic Details
Corporate Authors: United States. Army Aviation Systems Command, United States. National Aeronautics and Space Administration
Other Authors: Litvin, F. L. (Faydor L.)
Format: Government Document Microform Book
Language:English
Published: [Washington, D.C.] : [St. Louis, Mo.] : National Aeronautics and Space Administration ; US Army Aviation Systems Command ; [1989]
Series:AVSCOM technical report ; 89-C-004.
NASA technical memorandum ; 102134.
Subjects:
Online Access:https://purl.fdlp.gov/GPO/LPS93265
Description
Item Description:Microform.
Physical Description:18 pages : illustrations
Also available via Internet from the NTRS web site. Address as of 04/17/08: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19890018644%5F1989018644.pdf ; current access is available via PURL.
Bibliography:Includes bibliographical references (page 10).