@misc{1193231, author = {George E Heck}, title = {Structural properties of conventional wood-frame constructions for walls, partitions, floors, and roofs:}, year = {1939}, month = {1939-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.BMS.25}, language = {en}, }