Ahmed Khudhair Hassan, Bahruddin Saad, Sulaiman Ab Ghani, Rohana Adnan, Afidah Abdul Rahim, Norariza Ahmad, Marina Mokhtar, Suham Tawfiq Ameen, Suad Mustafa Al-Araji
Sensors (Basel) 2011; 11(1): 1028–1042. Published online 2011 Jan 18. doi: 10.3390/s110101028