Kocevar, P. (1980), Ferry, David K.; Barker, J. R.; Jacoboni, C. (eds.), "Multiphonon Scattering", Physics of Nonlinear Transport in Semiconductors, NATO Advanced Study Institutes Series, Boston, MA: Springer US, pp. 167–174, doi:10.1007/978-1-4684-3638-9_7, ISBN978-1-4684-3638-9, retrieved 2021-11-28
Kocevar, P. (1980), Ferry, David K.; Barker, J. R.; Jacoboni, C. (eds.), "Multiphonon Scattering", Physics of Nonlinear Transport in Semiconductors, NATO Advanced Study Institutes Series, Boston, MA: Springer US, pp. 167–174, doi:10.1007/978-1-4684-3638-9_7, ISBN978-1-4684-3638-9, retrieved 2021-11-28