Brown, H. R., Deline, V. R., & Green, P. F. (1989). Evidence for cleavage of polymer chains by crack propagation. Nature, 341(6239), 221-222. doi:10.1038/341221a0
Brown, H. R., Deline, V. R., & Green, P. F. (1989). Evidence for cleavage of polymer chains by crack propagation. Nature, 341(6239), 221-222. doi:10.1038/341221a0