Volume 30, No. 2, November 2004, Pages 1-20
A. Abdollahi; A. Mohammadi Hassanabadi
Volume 30, No. 1, April 2004, Pages 1-11
F. Behrouzi; H. Mahyar
Volume 29, No. 2, November 2003, Pages 1-12
M. Caldas; S. Jafari; T. Noiri
Volume 29, No. 1, April 2003, Pages 1-45
M. G. Marinari; T. Mora
Volume 36, No. 1, April 2010, Pages 1-25
J. L. Bona; H. Chen; S. M. Sun; B.-Y. Zhang
Volume 28, No. 2, November 2002, Pages 1-17
K. Khorshidian; A. R. Soltani
Volume 28, No. 1, April 2002, Pages 1-28
V. R. Ibrahimov
Volume 27, No. 2, November 2001, Pages 1-16
A. R. Salemkar; M. R. R. Moghaddam
Volume 27, No. 1, April 2001, Pages 1-18
H. Esmaeili; N. Mahdavi-Amiri; E. Spedicato
Volume 34, No. 2, November 2008, Pages 1-25
M. Khorramizadeh; N. Mahdavi-Amiri