1.

Conference Proceedings

Conference Proceedings
Leiner, Barry M.
Pub. info.: Digital Libraries 99 : the fourth ACM Conference on Digital Libraries, August 11-14, 1999, Berkeley, CA.  pp.206-206,  1999.  New York, N.Y..  Association for Computing Machinery
Title of ser.: ACM Conference Proceedings
Ser. no.: DL 1999
2.

Technical Paper

Technical Paper
Leiner, Barry M.
Pub. info.: NASA Technical Reports.  (NASA-CR-188902),  pp.1-16,  1991.  National Aeronautics and Space Adminstration