Ahmed M. Othman, Hussein E. Kotb, Yasser M. Sabry [...]
Walter F. Edgell, Edward Schmidlin, Michael W. Balk
Mazen Erfan, Yasser M Sabry, Mohammad Sakr [...]
Saima Kint, Richard H. Elsken, James R. Scherer
Walter F. Edgell, Edward Schmidlin, T. J. Kuriakose [...]
C. Petrillo, F. Sacchetti, U. Steigenberger [...]
A. Danielsson, P. Lindblom
Robert E. Hawk, Ralph W. Jennings
J. F. Betts, E. H. Paufve, W. C. Wiley
R. K. Skogerboe, I. T. Urasa
, Hussein E. Kotb, Yasser M. Sabry 
