Bi, Y., Tian, Y.-W. and Wang, G.-S. (2013) “Preparation and Structure of the Non-centrosymmetric Hydrated Borate: K2Ca[B4O5(OH)4]2·8H2O”, Asian Journal of Chemistry, 25(13), pp. 7346–7350. doi: 10.14233/ajchem.2013.14664.