@ARTICLE{Carrabs2011589, author={Carrabs, F. and Cerulli, R. and Gentili, M. and Parlato, G.}, title={A tabu search heuristic based on k-diamonds for the weighted feedback vertex set problem}, journal={Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)}, year={2011}, volume={6701 LNCS}, pages={589-602}, }