<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">MacQueen, </hi><hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">J. B.</hi> (1967): „Some methods for classification and analysis of multivariate observations.“, in: <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">Proceedings of the fifth Berkeley symposium on mathematical statistics and probability</hi>, volume 1, pages 281–297. Oakland, CA, USA, 1967