YOUNAS, Mohammad, Imran Khan SWATI, Irshad ALI, Nehar ULLAH, and Muhammad Imran Ahmad. 2013. “Performance Study of a Lab Scale Packed Bed Chemical Looping Combustion Reactor: Part A) Reduction Cycle”. Journal of the Pakistan Institute of Chemical Engineers 40 (1):101-8. http://piche.org.pk/journal/index.php/jpiche/article/view/74.