M. Kirschmer and G. Nebe, “Quaternary quadratic lattices over number fields,”10.1142/s1793042119500131__International Journal of Number Theory, vol. 15, no. 02, pp. 309–325, 2019, doi:10.1142/s1793042119500131 .

J. Klüners, “The Distribution of Number Fields with Wreath Products as Galois Groups ,”10.1142/s1793042112500492__International Journal of Number Theory, vol. 08, no. 03, pp. 845–858, 2012, doi:10.1142/s1793042112500492 .