Duncan A. Buell, Donald H. Kraft. Threshold values and Boolean retrieval systems. Inf. Process. Manage., 17(3):127-136, 1981. [doi]
@article{BuellK81-0,
title = {Threshold values and Boolean retrieval systems},
author = {Duncan A. Buell and Donald H. Kraft},
year = {1981},
url = {http://www.sciencedirect.com/science/article/pii/S0306457381800040},
researchr = {https://researchr.org/publication/BuellK81-0},
cites = {0},
citedby = {0},
journal = {Inf. Process. Manage.},
volume = {17},
number = {3},
pages = {127-136},
}