J. Stipala, “A new species of chameleon (Sauria: Chamaeleonidae) from the highlands of northwest Kenya JAN STIPALA (UK), NICOLA LUTZMÁNN (Germany), PATRICK K. MALONZA (Kenya), LUCA BORGH-ESIO (USA), PAUL WILKINSON (UK), BRENDAN GODLEY (UK), MATTHEW R. EVANS (UK)”, Zootaxa, vol. 3002, no. 1, pp. 1–16, Aug. 2011.