@misc{indiciaef4c4e4a97ae0, title = {Polyurethane Elastomers: Safe Replacements for EN-7.}, author = {Barth, Rachel Reina and Nissen, April and Mistry, Vipul}, year = {2014}, url = {https://www.osti.gov/biblio/1503151}, note = {Source identifier: 1503151} }