@misc{1179926, author = {David R Jenkins and Robert G Mathey}, title = {Hail impact testing procedure for solar collector cover:}, year = {1982}, month = {1982-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.82-2487}, language = {en}, }