00984nas a2200289 i 4500991001838989707536m cr 011205m19809999uk br s | |eng d1361-64040143-0807b14078910-39ule_instCDU 53CDU 061.6European journal of physicsEuropean journal of physics[electronic edition] /Institute of Physics. - 1980-Bristol,1980-Pubblicato anche in formato cartaceoCodice CNR: PD00346815Posseduto: LE006 2009-Institute of PhysicsISSN (print version):0143-0807http://iopscience.iop.org/0143-0807/E-journal (Publisher Site).b1407891004-07-1308-10-12991001838989707536European journal of physics240432UNISALENTOle00601-01-01sm -enguk 00