Aamodt, K.; GAGO, A. M.; et al., ..(2010). First proton¿proton collisions at the LHC as observed with the ALICE detector: measurement of the charged-particle pseudorapidity density at sqrt(s)=900 GeV. EUROPEAN PHYSICAL JOURNAL C. Volumen: 65. (pp. 111 - 125). Recuperado de: http://www.springerlink.com/content/l7l7286758x3v155/