Volume 8, Issue 1, February 1995, Pages 49-54
B. A. Christensen; Arash Najafi; N. Samani
Volume 6, Issue 1, February 1993, Pages 59-63
A. R. Soltani; E. Raeissi; N. Samani
Volume 2, Issue 3, November 1989, Pages 118-127
N. Samani