THE STRUCTURE OF THE CRYSTAL, SMECTIC E AND SMECTIC B FORMS OF IBPBAC A. J. LEADBETTER, J. FROST, J. P. GAUGHAN and M. A. MAZID J. Phys. Colloques, 40 C3 (1979) C3-185-C3-192 DOI: 10.1051/jphyscol:1979337