1. ; ; 1970. “Retrieval of Bibliographic Entries from a Name-title Catalog by use of Truncated Search Keys.” In: Proceedings of the American Society for Information Science, Volume 7. 79–82.
2. ; ; ; 1971. “Large On-Line Files of Bibliographic Data: An Efficient Design and A Mathematical Predicator of Retrieval Behavior.” In: IFIP Congress ' 71: Ljubljana August 1971. Amsterdam: North Holland Publishing Company; 1971. Booklet TA-3. 145–149.
3. Full table quadratic searching for scatter storage