Volume 11, Issue 2, August 2002, Pages 19-28
K Hakimpoor; S Ghobad
Volume 4, Issue 2, February 1994, Pages 20-23
Giti Emtiazi; Mohammad Hosein Habibi
Volume 6, Issue 1, May 1995, Pages 20-24
Bijan Bina; Hosein Movahedian; Shahram Ayramlouzadeh
Volume 10, Issue 2, August 1999, Pages 20-30
M. R Masnsouri; M. J Khanjani
Volume 11, Issue 1, May 2000, Pages 20-26
A. A Safari Sanjani; SH Hajrasuliha
Volume 13, Issue 2, August 2002, Pages 20-25
A Moradi Nezhad; H Agha Razi
Volume 2, Issue 2, August 1991, Pages 21-26
Volume 5, Issue 1, November 1994, Pages 21-25
Bijan Bina; Ali Gheysari; Shokooh Alsadat Baba Mir
Volume 6, Issue 3, February 1996, Pages 21-26
Hamid Reza Safavi
Volume 14, Issue 2, August 2003, Pages 21-28
M Nazarzadeh; A Abrishamchi; M Tajrishi
Volume 14, Issue 3, November 2003, Pages 21-29
T Aliyan Koupaee; M. R Haghighi
Volume 7, Issue 2, August 1996, Pages 22-26
Mohammad Reza Shahmansouri; Bijan Bina; Reza Rezaee
Volume 8, Issue 4, February 1998, Pages 22-30
B Bina; H pourmoghadas; F Haidarmah
Volume 11, Issue 3, November 2000, Pages 22-29
N Mehrdadi; SH Moradi Fallah; M Soltan Bayazidi
Volume 8, Issue 1, May 1997, Pages 23-29
Nematollah Jafarzadeh; Ali Abbasi
Volume 12, Issue 2, August 2001, Pages 23-32
A. R Mamanpoush; S. F Mousavi
Volume 12, Issue 3, November 2001, Pages 23-27
A. R Nazari Alavi
Volume 3, Issue 2, February 1993, Pages 24-32
Hamid Movahedian
Volume 4, Issue 2, February 1994, Pages 24-27
Ayoub Torkian
Volume 6, Issue 2, November 1995, Pages 24-34
Zabihollah Yousefi
Volume 7, Issue 3, November 1996, Pages 24-31
Bijan Bina; Hosein Movahedian; Mahnaz Nikaeyne