@book{Whitham:1974:LNW,
author = {Whitham, G. B.},
title = {Linear and Nonlinear Waves},
publisher = {John Wiley \& Sons},
address = {New York},
year = {1974},
pages = {xvi+636},
note = {Reprinted in 1999.},
mrclass = {76.00 (35L05 35Q99)},
mrnumber = {MR0483954 (58 \#3905)},
isbn = {0471359424},
zblno = {0373.76001}}