Implementation of an information-retrieval based CAI system /

Thesis (M. S.)--University of Illinois at Urbana-Champaign.

Description of an experimental on-line, minicomputer-based information retrieval system /

Thesis (M. S.)--University of Illinois at Urbana-Champaign.

Information retrieval and machine translation : based on the International Conference for Standards on a Common Language for Machine Searching and Translation /

Mode of access: Internet.