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Snoeck E, Roucau C.Snoeck E, et al. Among authors: roucau c.Phys Rev B Condens Matter. 1992 Jun 1;45(22):12720-12724. doi: 10.1103/physrevb.45.12720.Phys Rev B Condens Matter. 1992.PMID: 10001327No abstract available.