TY - RPRT TI - Double-helix pattern in a model compound of non-linear optical polymers. AU - Roberto Centore AU - Antonio Carella AU - Andrea Pugliese AU - Augusto Sirigu AU - Angela Tuzi PY - 2006 DO - 10.1107/s0108270106025108 UR - https://pubmed.ncbi.nlm.nih.gov/16891740/ ID - 16891740 ER -