@misc{1192006, author = {S W Stratton}, title = {Circular of the Bureau of Standards no. 2 4th edition::measurements of length and area, including thermal expansion}, year = {1912}, month = {1912-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.CIRC.2e4}, language = {en}, }