http://www.tandfonline.com/doi/full/10.1080/14747731.2014.972616#.VWQKxs9Viko

Partindo à conclusão: novamente, dde novo, outra vez... http://www.tandfonline.com/doi/full/10.1080/14747731.2014.972616#.VWQKxs9Viko
      https://www.amgasparin.wordpress.com