M. C. Burla, R. Caliandro, M. Camalli, B. Carrozzini, G. L. Cascarano et al., J. Appl. Crystallogr, p.381, 2005.

G. M. Sheldrick and . Iucr, Acta Crystallogr. Sect. C Struct. Chem, vol.71, issue.S3, 2015.

G. M. Sheldrick and . Iucr, Acta Crystallogr. Sect. A Found. Adv, p.3, 2015.