@misc{1154626, author = {Jon Geist}, title = {On the absorptance of cavity-type receivers:}, year = {1971}, month = {1971-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.575}, language = {en}, }