Johannes Huisman. Rino's Flight around the World in Circles. The American Mathematical Monthly, 109(4):380-383, 2002. [doi]
@article{Huisman02-0, title = {Rino's Flight around the World in Circles}, author = {Johannes Huisman}, year = {2002}, url = {http://www.jstor.org/stable/2695502}, researchr = {https://researchr.org/publication/Huisman02-0}, cites = {0}, citedby = {0}, journal = {The American Mathematical Monthly}, volume = {109}, number = {4}, pages = {380-383}, }