http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
effects of crack surface friction and roughness on crack tip stress fields
Institute for Computational Mechanics in Propulsion.
Roberto Ballarini and Michael E. Plesha.
Also available via Internet from the NTRS web site. Address as of 03/26/08: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19870009448%5F1987009448.pdf ; current access is available via PURL.
Microfiche. [Washington, D.C. : National Aeronautics and Space Administration], 1987. 1 microfiche.