hiat. In press. Huberman, B.A. (1987) A model for dysfunctions in smooth pursuit eye movement. Ann. N.Y. Acad. Sci. 504:260-273 Hughes, B.D. (1995) Random Walks and Random Environments. Clarendon. Oxford. Hurewicz, W., Wallman, H. (1948) Dimension Theory. Princeton University Press, Princeton lasemidis, L.