@article{032835123, title = "Plant nutrients from organic industrial by-products", author = "Graziano,P.L. and Calzavara,R. and Perelli,M. and Roccuzzo,G.", year = "2008", journal = "Proceedings", pages = "1, 1-28", url = "https://eurekamag.com/research/032/835/032835123.php" }