doi dblp
Analysis of monograph obsolescence at two levels of an interlibrary loan network
Sandra H. Rouse | William B. Rouse

doi dblp
Inverted file organization in the information retrieval system based on thesaurus with weights
Zygmunt Mazur

doi dblp
A mathematical model of a weighted boolean retrieval system
W. G. Waller | Donald H. Kraft

doi dblp
Fuzzy set theoretical approach to document retrieval
Tadeusz Radecki

doi dblp
Type of search by type of library
Ruth Hafter