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Hakonen PJ, Nummila KK.Hakonen PJ, et al.Phys Rev Lett. 1987 Aug 31;59(9):1006-1009. doi: 10.1103/PhysRevLett.59.1006.Phys Rev Lett. 1987.PMID: 10035935No abstract available.
Hakonen PJ, Krusius M, Salomaa MM, Simola JT.Hakonen PJ, et al.Phys Rev Lett. 1985 Jan 21;54(3):245. doi: 10.1103/PhysRevLett.54.245.Phys Rev Lett. 1985.PMID: 10031451No abstract available.