Bharat, K., &; Henzinger, M. H. (2003). Improved algorithms for topic distillation in a hyperlinked environment. In 21st annual international ACM SIGIR conference on Research and development in information retrieval (pp. 104–111). Melbourne, Australia: Association for Computing Machinery.https://doi.org/10.1145/290941.290972 
LibreCat: https://research-explorer.ista.ac.at/record/11897
DOI: 10.1145/290941.290972