@article{article, title = {{Waves and null congruences in a draining bathtub}}, url = {{http://eprints.whiterose.ac.uk/107653/ }}, year = {{2016}}, month = {{8}}, author = {{Dempsey D and Dolan SR}}, doi = {{10.1142/S0218271816410042}}, volume = {{25}}, journal = {{International Journal of Modern Physics D}}, note = {{Accessed on 2024/12/22}}}