Mohadeseh Soleimanpour Hossein Nezamabadi-pour A Modified Monkey Algorithm for Real-Parameter Optimization. 453-477 2013 21 J. Multiple Valued Log. Soft Comput. 5-6 http://www.oldcitypublishing.com/journals/mvlsc-home/mvlsc-issue-contents/mvlsc-volume-21-number-5-6-2013/mvlsc-21-5-6-p-453-477/ db/journals/mvl/mvl21.html#SoleimanpourN13