Fonte: http://books.google.pt/books?id=hvOpWcWD2_wC&pg=PR17&dq=arruda+dos+vinhos&hl=pt-pt&ei=j24bTcL1DIqI4AbyvsCGAg&sa=X&oi=book_result&ct=result&resnum=10&ved=0CFEQ6AEwCTge#v=onepage&q&f=false