@misc{1152396, author = {E R Streed}, title = {Results and analysis of a round-robin test program for liquid-heating flat-plate solar collectors:}, year = {1978}, month = {1978-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.975}, language = {en}, }