Luitpold Babel, Gottfried Tinhofer. A branch and bound algorithm for the maximum clique problem. Math. Meth. of OR, 34(3):207-217, 1990. [doi]
@article{BabelT90,
title = {A branch and bound algorithm for the maximum clique problem},
author = {Luitpold Babel and Gottfried Tinhofer},
year = {1990},
doi = {10.1007/BF01415983},
url = {http://dx.doi.org/10.1007/BF01415983},
researchr = {https://researchr.org/publication/BabelT90},
cites = {0},
citedby = {0},
journal = {Math. Meth. of OR},
volume = {34},
number = {3},
pages = {207-217},
}