@misc{1191701, author = {Cledo Brunetti and Roger W Curtis}, title = {Circular of the Bureau of Standards no. 468::printed circuit techniques}, year = {1947}, month = {1947-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.CIRC.468}, language = {en}, }