A. S. Abdel-Razek
Hot Laboratories and waste Management Center, Atomic Energy Authority, Cairo, Egypt
Mohamed T. Shaaban
Botany Department, Faculty of Science, Menoufia University, Egypt
S.A. Mahmoud
Hot Laboratories and waste Management Center, Atomic Energy Authority, Cairo, Egypt
E. M. Kandeel
Hot Laboratories and waste Management Center, Atomic Energy Authority, Cairo, Egypt