Well, here's the portugues version, found on google scholar: http://www.academia.edu/download/46197082/BIOTEMAS_2008.pdf http://www.academia.edu/download/46197

Well, here's the portugues version, found on google scholar: http://www.academia.edu/download/46197082/BIOTEMAS_2008.pdf http://www.academia.edu/download/46197082/BIOTEMAS_2008.pdf I find I can get most papers on: http://libgen.io/scimag/index.php http://libgen.io/scimag/index.php I think sci-hub tries to acquire papers which are unsuccessfully requested, not sure how long that might take.