@misc{1169891, author = {Herbert D Cook}, title = {Instrumentation for optical measurement of building deflections:}, year = {1972}, month = {1972-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.10896}, language = {en}, }