@misc{1185131, author = {B J Hockey and S M Wiederhorn and H Johnson}, title = {Erosion of brittle materials by solid particle impact:}, 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.IR.77-1396}, language = {en}, }