Citation: Abrahams, S. C.; Bernstein, J. L. (1973). Piezoelectric nonlinear optic CuGaS2 and CuInS2 crystal structure: Sublattice distortion in AIBIIIC2VI and AIIBIVC2V type chalcopyrites Note: Synthetic sample. Journal of Chemical Physics, 59, pp. 5415-5420.