Simulating radio channel statistics for different building environments. - Cheolhang Cheon; George Liang; Henry L. Bertoni (IEEE J. Sel. Areas Commun., 2001)

Influence of diffraction coefficient on ray prediction of power and delay spread in urban microcells. - Hassan M. El-Sallabi; George Liang; Henry L. Bertoni; Pertti Vainikainen (VTC Spring, 2002)