X-RAY STUDY OF CUBIC PHASES IN TERNARY SYSTEMS OF SURFACTANT DDAB, WATER AND OIL P. BAROIS, D. EIDAM et S.T. HYDE J. Phys. Colloques, 51 C7 (1990) C7-25-C7-34 DOI: 10.1051/jphyscol:1990703