Literature summary for 2.4.2.3 extracted from

Dontsova, M.V.; Gabdoulkhakov, A.G.; Molchan, O.K.; Lashkov, A.A.; Garber, M.B.; Mironov, A.S.; Zhukhlistova, N.E.; Morgunova, E.Y.; Voelter, W.; Betzel, C.; Zhang, Y.; Ealick, S.E.; Mikhailov, A.b.M.