Volume 27, Issue 2, June 2002, Pages 1-18
Fawkia F. El-Habiby; Rizk A. El-Bealy
Volume 21, Issue 4, December 1996, Pages 1-15
Fawkia El-Habiby; Rizk El-Bealy
Volume 18, Issue 4, December 1993, Pages 35-46
Ismail Mousa Rakha; Rizk Abdullah El-Bealy
Volume 16, Issue 2, December 1991, Pages 39-58
Rizk Abdullah Mahmoud El-Bealy; Mahmoud Talat
Volume 15, Issue 1, June 1990, Pages 12-23
Rizk El-Bealy
Volume 12, Issue 2, December 1987, Pages 12-22
Rizk Abd Allah Mahmoud El-Bealy; S. Ibrahim; Rizk Abd Allah Mahmoud El-Bealy
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