Molecular arrangement of mesogenic disc-like compounds : the hexa-n-alkoxy and hexa-n-alkanoyloxy triphenylenes M. Cotrait, P. Marsau, M. Pesquer et V. Volpilhac J. Phys. France, 43 2 (1982) 355-359 DOI: 10.1051/jphys:01982004302035500