P W A Goodyear, C E Reddy and T H J Lesser

A Safdar, S Gendy, A Hilal, P Walshe and H Burns

A Mazita, M Zabri, W H Aneeza, A Asma and L Saim

S Patil, J Ahmed and N Patel

E De Seta, D De Seta, E Covelli, M Viccaro and R Filipo

C-C Huang, C-D Lin, C-Y Wang, J-H Chen, Y-T Shiao and M-H Tsai

P Hosamani, L Ananth and S B Medikeri

K Onal, S Arslanoglu, M Songu, U Demiray and I A Demirpehlivan

O A Albirmawy

R J List, E P Flook and H L Tay