Volume 22.2, Issue 44, January 1990, Pages 1-8
M. EL-SHAIEB; M. ATTIA; I.A. MOUSTAFA; M. ABD EL-GAWAD
Volume 10.2, Issue 20, January 1983, Pages 1-7
M. EL-SHAIEB; M. R. FATH EL-BAB; A.S. SABER
Volume 9, Issue 17.18, January 1982, Pages 1-5
M. EL-SHAIEB; M. R. FATH EL-BAB; A.S. SABER
Volume 6, Issue 11.12, January 1979, Pages 13-25
M. EL-SHAIEB
Volume 6, Issue 11.12, January 1979, Pages 27-34
M. EL-SHAIEB; z.z. MAJEED