1. Hsiun DY, Wu WT (1995) Mass transfer and liquid mixing in an Airlift reactor with a net draft tube. Bioproc Eng 12:221–225
2. Haque MW, Nigam KDP (1986) Optimum gas sparger design for bubble columns with a low height-to-diameter ratio. Chem Eng J 33:63–69
3. Rigonspier M, Vandenberghe LP, Medeiros ABP, Soccol CR (2011) Application of different types of bioreactors in bioprocesses. Nova Science Publishers Inc, NewYork, pp 55–90
4. Gupta D, Singh A, Sharma A, Nigam A (2013) Processing of bio-fuels. Wiley, Austin
5. Mueller-Rees C, Spruederer F, Klaus A (2012) Application publication multi-chamber photobioreactor. United States Patent Number US 2012/0202290