References
- Rabiller , P. , Etrillard , J. , Toupet , L. , Kiat , J. M. , Launois , P. , Petricek , V. and Breczewski , T. 2001 . Disorder versus structure analysis in intergrowth urea inclusion compounds . J. Phys. Condens Matter , 13 : 1653 – 1668 .
- Salje , E. K. H. 1990 . Phase Transitions in Ferroelastic and Co-elastic Crystals , Cambridge : Cambridge University Press .
- Mroz , B. and Mielcarek , S. 2001 . Double Brillouin scattering geometry . J. Phys. D. Appl. Phys. , 34 : 395 – 399 .
- Schmicker , S. , de Boer , J. L. van , Haas , C. and Harris , K. D. M. 1995 . Observation of the sliding mode in incommensurate intergrowth compounds: Brillouin scattering from the inclusion compound of urea and heptadecane . Phys. Rev. Lett. , 74 : 734 – 737 .