https://docs.google.com/spreadsheets/d/1JEGVM2ZSf3-VQiArrXTRYPvkoHts97M3/edit?usp=sharing&ouid=106319239828361963708&rtpof=true&sd=true
http://www.livrosabertos.sibi.usp.br/portaldelivrosUSP/catalog/view/46/39/179-1
https://www.ncbi.nlm.nih.gov/books/NBK24656/pdf/Bookshelf_NBK24656.pdf