Volume 15, Issue 2, September 2007, Pages 431-439
A M El-Bassiony; Z F Fawzy; S A Saleh
Volume 13, Issue 3, September 2005, Pages 863-875
A.M.R. Abdel-Mawgoud,; Abou-Hussein S.D.; Salman S.R.; El-Nemr M.A.