@misc{1185361, author = {V J Pezoldt and J J Persensky}, title = {Power lawn mowers ::ease of pull}, year = {1977}, month = {1977-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.77-1298}, language = {en}, }