T. Tarnai, A. Lengyel
Jan D Achenbach
MB Rubin
Pravin Kumar, Rajesh Prasad
T.H. Lin
Ahmed S El-Karamany, Magdy A Ezzat
Rashmi Prasad, Roushan Kumar
Om N Shivay, Santwana Mukhopadhyay
Y Benveniste
C.E. Athanasiadis, I.G. Stratis, V. Sevroglou [...]
, Roushan Kumar
