TY - RPRT TI - Negative Poisson ratio in a two-dimensional "isotropic" solid. AU - KW Wojciechowski AU - AC Branka PY - 1989 DO - 10.1103/physreva.40.7222 UR - https://pubmed.ncbi.nlm.nih.gov/9902137/ ID - 9902137 ER -