Weir, G.; McGavin, P. (8 May 2008). "The coefficient of restitution for the idealized impact of a spherical, nano-scale particle on a rigid plane". Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 464 (2093): 1295–1307. Bibcode:2008RSPSA.464.1295W. doi:10.1098/rspa.2007.0289. S2CID122562612.
Weir, G.; McGavin, P. (8 May 2008). "The coefficient of restitution for the idealized impact of a spherical, nano-scale particle on a rigid plane". Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 464 (2093): 1295–1307. Bibcode:2008RSPSA.464.1295W. doi:10.1098/rspa.2007.0289. S2CID122562612.
Weir, G.; McGavin, P. (8 May 2008). "The coefficient of restitution for the idealized impact of a spherical, nano-scale particle on a rigid plane". Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 464 (2093): 1295–1307. Bibcode:2008RSPSA.464.1295W. doi:10.1098/rspa.2007.0289. S2CID122562612.