L. Milano, E. Calloni, R. De Rosa, M. De Laurentis, L. Di Fiore, and F. Garufi, “THE PAST AND THE FUTURE OF DIRECT SEARCH OF GW FROM PULSARS IN THE ERA OF GW ANTENNAS”, Acta Polytech, vol. 53, no. A, pp. 742–745, Dec. 2013.