Internal dynamics of the double-sine-Gordon chain.

@article{Burdick1986InternalDO,
  title={Internal dynamics of the double-sine-Gordon chain.},
  author={Burdick and El-Batanouny and Willis},
  journal={Physical review. B, Condensed matter},
  year={1986},
  volume={34 9},
  pages={6575-6578}
}