@article{Contreras14_IVC,
doi = {10.1016/j.amc.2013.11.050},
author = {Jhonatan Contreras and Ivan Amaya and Rodrigo Correa},
journal = {Applied Mathematics and Computation},
title = {An Improved Variant of the Conventional Harmony Search Algorithm},
pages = {821--830},
year = {2014},
}