Footnotes

1. Blair, D.C.; Maron, M.E., An Evaluation of Retrieval Effectiveness for a Full-Text Document Retrieval System, Communications of the ACM V28:3, 1985, pp. 289-299.

2. G. Salton and M.J. McGill, Introduction to Modern Information Retrieval New York [etc.] : McGraw-Hill, 1983.