N Arrousse - Sidi Mohamed Ben Abdellah University
Y Fernine - Sidi Mohamed Ben Abdellah University
Nabil Al-Zaqri - King Saud University
Ahmed Boshaala - Research Centre, Manchester Salt & Catalysis Unit C, 88- 90 Chorlton Rd M15 4AN Manchester UK
E Ech-Chihbi - Sidi Mohamed Ben Abdellah University
R Salim - Sidi Mohamed Ben Abdellah University
F El Hajjaji - Sidi Mohamed Ben Abdellah University
Anouar Alami - Sidi Mohamed Ben Abdellah University
M Ebn Touhami - Université Ibn-Tofail
M Taleb - Sidi Mohamed Ben Abdellah University