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García-Etxarri A, Apell P, Käll M, Aizpurua J.García-Etxarri A, et al. Among authors: apell p.Opt Express. 2012 Nov 5;20(23):25201-12. doi: 10.1364/OE.20.025201.Opt Express. 2012.PMID: 23187337Free article.
Johansson P, Monreal R, Apell P.Johansson P, et al. Among authors: apell p.Phys Rev B Condens Matter. 1990 Nov 15;42(14):9210-9213. doi: 10.1103/physrevb.42.9210.Phys Rev B Condens Matter. 1990.PMID: 9995150No abstract available.
Penn DR, Apell P.Penn DR, et al. Among authors: apell p.Phys Rev B Condens Matter. 1990 Feb 15;41(6):3303-3315. doi: 10.1103/physrevb.41.3303.Phys Rev B Condens Matter. 1990.PMID: 9994121No abstract available.
Tagliacozzo A, Ventriglia F, Apell P.Tagliacozzo A, et al. Among authors: apell p.Phys Rev B Condens Matter. 1989 Dec 1;40(16):10901-10916. doi: 10.1103/physrevb.40.10901.Phys Rev B Condens Matter. 1989.PMID: 9991651No abstract available.