A. Shavit
发表
Yoram Koren,
Y. Koren,
G. Davidov,
1992
.
D. Naot,
M. Wolfshtein,
M. Wolfshtein,
1973
.
Ben-Zion Maytal,
B. Maytal,
A. Shavit,
1997
.
Tatiana Gambaryan-Roisman,
T. Gambaryan-Roisman,
E. Litovsky,
2003
.