G. Grinstein, R.H. Koch
Physical Review Letters
A Comment on the Letter by K. Holczer et al., Phys. Rev. Lett. 67, 152 (1991). © 1992 The American Physical Society.
G. Grinstein, R.H. Koch
Physical Review Letters
D. Grischkowsky, R. Sprik, et al.
CLEO 1987
R.H. Koch, V. Foglietti, et al.
Applied Physics Letters
F.P. Milliken, R.H. Koch, et al.
Journal of Applied Physics