2 author = {Donald E Knuth and Alter Ego},
3 title = {The \TeX{}book},
4 publisher = {Addison-Wesley},
5 address = {Reading, Massachussets},
10 author = {Steve Lawrence and C {Lee Giles}},
11 title = {Accessibility of Information on the {Web}},
20 author = "Bruce Clavert",
21 title = "Wardrop equilibria in an infinite network",
22 journal = "Le Matematiche",