http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
David L. Weiss, David T. Hartgen, Gerald S. Cohen.
Preliminary research report - New York State Dept. of Transportation, Planning and Research Bureau ; no. 93
Albany : New York State, Dept. of Transportation, 1975
Preliminary Research Report (New York (State), Department of Transportation, Planning Division) 93