@article{202007.0388, doi = {10.20944/preprints202007.0388.v1}, url = {https://doi.org/10.20944/preprints202007.0388.v1}, year = 2020, month = {July}, publisher = {Preprints}, author = {John Zacharias and Guoqing Lu}, title = {Stair Width, Pitch and Alignment in Stair Climbing and Descending Rates}, journal = {Preprints} }