Structure of Ba2 YCu3O6.26 at 20 and 298K by single-crystal neutron diffration A. Renault, G.J. McIntyre, G. Collin, J.-P. Pouget et R. Comes J. Phys. France, 48 9 (1987) 1407-1412 DOI: 10.1051/jphys:019870048090140700