As, Donat Josef, and Klaus Lischka. “Nonpolar Cubic III-Nitrides: From the Basics of Growth to Device Applications.”10.1016/b978-0-12-812136-8.00006-2__Molecular Beam Epitaxy, Elsevier, 2018, pp. 95–114, doi:10.1016/b978-0-12-812136-8.00006-2.