?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Laura&rft.aulast=Gianfagna&rft.au=Gianfagna%2C+Laura&rft.date=2014&rft.title=Rating+and+Pricing%3A+State+of+the+art+for+the+proposal+of+new+methodologies&rft.btitle=Proceedings+of+the+Finance+and+Economics+Conference&rft.genre=proceeding