doi dblp
On the role of subjectivity in establishing, using, operating and evaluating information retrieval systems. Treatise II on retrieval system theory
Robert Fugmann

doi dblp
An information retrieval system using keyword dialog
D. T. Chai

doi dblp
Research programs in technical information services*
Miles A. Libbey

doi dblp
A straight forward and flexible design method for complex data-base management systems
H. Louis Jonkers