Made available in DSpace on 2020-12-10T19:35:25Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-01-01; UNESP Bauru, Dept Phys, Bauru, Brazil; DQ UFSCar, Sao Carlos, SP, Brazil; I Butantan, Sao Paulo, Brazil; UNESP Bauru, Dept Phys, Bauru, Brazil