@misc{indiciae6054ad19db2b,
  title = {Smectic-A phase with two collinear incommensurate density modulations.},
  author = {BR Ratna and R Shashidhar and VN Raja},
  year = {1985},
  doi = {10.1103/physrevlett.55.1476},
  url = {https://pubmed.ncbi.nlm.nih.gov/10031833/},
  note = {Source identifier: 10031833}
}