Gefen et al. respond [1]

D.E. Kotecki, J.D. Baniecki, et al.

IBM J. Res. Dev

S. Washburn, C.P. Umbach, et al.

Physical Review B

D. Grischkowsky, R. Sprik, et al.

CLEO 1987

K.L. Saenger, P.C. Andricacos, et al.

MRS Online Proceedings Library