Program menurut mkqsel.sf.net

Implementasi Multikey Quickselect dan varian Multikey Quicksort baru di Frias L, Roura, S. Multikey Quickselect. Laporan teknis LSI-09-27-R, Universitat Politcnica de Catalunya, 2009. http://www.lsi.upc.edu/dept/techreps/tech