Volume 19.1, Issue 37, September 1987, Pages 23-30
G. KAMEL; A.H.S. HASSAN; A.M.A. ALI; M.N.K. MOUSTAFA
Volume 18.2, Issue 36, May 1987, Pages 22-29
A.M.A. ALI; A.S. SABER; A.A. MANSOUR
Volume 18.1, Issue 35, January 1987, Pages 57-62
G. KAMEL; A.H.S. HASSAN; A.M.A. ALI; A. NAFADY
Volume 17.2, Issue 34, September 1986, Pages 44-53
L.A. SALEM; G. KAMEL; A.M.A. ALI; A.H.S. HASSAN; AZIZA A.A. SELIM
Volume 17.2, Issue 34, September 1986, Pages 54-61
G. KAMEL; R. SCHWARZ; A.M.A. ALI