The Scientometric World of Keith Pavitt: A Tribute to His Contributions to Research Policy and Patent Analysis 11.32
Martin Meyer, Tiago Santos Pereira, Olle Persson, Ove Garstrand
Research Policy, vol. 33, 2004, p. 1405-1417.

Trademarks as an Indicator of Innovation and Industrial Change 15.1
Sandro Mendonca, Tiago Santos Pereira, Manuel Mira Godinho
Research Policy, vol. 33, 2004, p. 1385-1404.