Radhakrishnamacharya, G., and R. Sharma. “Motion of a Self-Propelling Micro-Organism in a Channel Under Peristalsis: Effects of Viscosity Variation”. Nonlinear Analysis: Modelling and Control 12, no. 3 (July 25, 2007): 409–418. Accessed May 19, 2024. https://www.journals.vu.lt/nonlinear-analysis/article/view/14703.