Competition in low ordered smectics between incommensurate phases Sic and two-dimensional modulated ones for dimesogenic compoundsF. Hardouin, M. F. Achard, J.-I. Jin, Y.-K. Yun and S.-J. ChungEur. Phys. J. B, 1 1 (1998) 47-56DOI: https://doi.org/10.1007/s100510050151