petrucci...[et al.] Robert Perrucci...[et al] F.Joachim...[et al.] B.B.Muvdi...[et al] Robert Lado...[et al.] F.Kasch...[et al.] H.Ibach...[et al.] R.Hurst...[et al.] W.D.Guenzi...[et al]
