Volume 43.1, Issue 85, April 2000, Pages 339-352
M.M. Aly; S. Mousa
Volume 42.1, Issue 83, October 1999, Pages 279-393
S. Mousa; M.H. Abd-El-Wahab; Azhar M.; Azhar M. Abd-El-Aziz
Volume 41.1, Issue 81, April 1999, Pages 242-252
M. Aly; M. Saif-Eldin; S. Mousa