Ahmad, Viqar Uddin; Bader, Sadia; Arshad, Saima; Ahmed, Amir; Khan, Afsar; Iqbal, Shazia; Rasheed, Munawwer; Tareend, Rasool Bakhsh
Magnetic Resonance in Chemistry, 2010 , vol. 48, # 4 p. 304 - 308