Deletion of Proportional approval voting (3rd nomination)

Comment: large parts of the article's text seem to have been copied ''verbatim'' from http://www.iiia.csic.es/~enric/papers/egov.pdf this paper (Section D, on page 9). Or has the author of the paper had access to the previously deleted Wikipedia article, and copied it from there? What about 
Stance: comment
Cited policy: Wikipedia:Copyright violations (WP:COPYVIO)