00811nam a2200253 i 450099100114576970753620020507111900.0970308s1977 ro ||| | eng b10180011-39ule_instLE00642902ExLDip.to Fisicaita53(082.2)53.5.2353.5.44European physical society319667Physica Scripta :special issue /EPS[s.n.] :EPS,19771 v. :ill..b1018001121-09-0627-06-02991001145769707536LE006 53.5 PHY12006000065177le006-E0.00-l- 00000.i1022083527-06-02Physica Scripta189016UNISALENTOle00601-01-97ma -engxx 01