https://dl.acm.org/citation.cfm?id=2463486 -- awww, why don't you computer scientists (also) upload your work on preprint servers such as the ArXiV? http://arxiv.org/ Thus it keeps hidden behind the paywall forever.
You can find the original one here: https://github.com/verdverm/go-pge/blob/master/pge_gecco2013...