GUARD version 3.0. Users and programmers manual. Final report.

Federal Highway Administration, Office of Safety and Traffic Operations Research and Development, McLean, Va.

MINTEQA2/PRODEFA2, a geochemical assessment model for environmental systems : version 3.0 user's manual /

Mode of access: Internet.

Marketing Symposium University of Illinois : [papers].

Description based on: Oct. 1955.