@article{202407.1523, doi = {10.20944/preprints202407.1523.v1}, url = {https://doi.org/10.20944/preprints202407.1523.v1}, year = 2024, month = {July}, publisher = {Preprints}, author = {David A Kelly and Mark Garden and Khanda Sharif and David Campbell and Michael Gormley}, title = {A Novel Approach to Detecting Blockages in Sewers and Drains: The Reflected Wave Technique}, journal = {Preprints} }