TY - RPRT TI - Hexagonal symmetry for smectic blue phases AU - B Pansu AU - E Grelet AU - MH Li AU - HT Nguyen PY - 2000 DO - 10.1103/physreve.62.658 UR - https://pubmed.ncbi.nlm.nih.gov/11088502/ ID - 11088502 ER -