Open Science Research Excellence
Mário A. R. Talaia,  Terminal Velocity of a Bubble Rise in a Liquid Column .   journal   = {International Journal of Mathematical, Computational, Physical, Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology. April 2007, vol. 4(4). 220 - 224[viewed 18 February 2019]. Available from: http://waset.org/publications/8057.