Citation: Wong-Ng, W.; Gayle, F.W.; Watkins, S.F.; Kaiser, D.L.; Fronczek, F.R. (1990). X-ray-diffraction study of a thermomechanically detwinned single crystal of YBa2Cu3O6+x. Physical Review, Serie 3. B - Condensed Matter (18,1978-), 41, pp. 4220-4223.