@misc{1191586, author = {Elmer R Weaver}, title = {Circular of the Bureau of Standards no. 491::control of odors}, year = {1950}, month = {1950-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.CIRC.491}, language = {en}, }