The off-line group seat reservation problem. - Tommy Clausen; Allan Nordlunde Hjorth; Morten Nielsen; David Pisinger (Eur. J. Oper. Res., 2010)

Open innovation policy through intermediaries: the industry incubator programme in Norway. - Tommy Clausen; Einar Rasmussen (Technol. Anal. Strateg. Manag., 2011)

Synchronized dial-a-ride transportation of disabled passengers at airports. - Line Blander Reinhardt; Tommy Clausen; David Pisinger (Eur. J. Oper. Res., 2013)