1. Instituto de Fisica, Universidade de Sao Paulo Brasil [s]http:/ /www.EnsinoNovo. if.usp.br/ntnujava/index.html[/s]
  2. Center for Teaching and Applied Research Physics Institute of University of Sao Paulo. (portuguese version) [s]http:/ /www.cepa.if .usp.br/fkw/[/s]
  3. Department of Physics of PUC-Rio (at Rio de Janeiro - Brazil) [s]http:/ /www.fis. puc-rio.br/piues/ntnujava/index.html[/s]
  4. Department of Physics - Federal University of Santa Catarina - Florianopolis - SC - Brazil http://www.fsc.ufsc.br/~ccf/parcerias/ntnujava/index-port.html
    [s]http:/ /www.fsc. ufsc.br/~canzian/parcerias/ntnujava/index.html[/s]
  5. Department of Physics at UFPR(Universidade Federal Do Paran Reitoria) http://fisica.ufpr.br/ntnujava/index.html
  6. Institute of UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL, [s]http:/ /www.ffn. ub.es/mecanica/ntnujava/[/s]