1.		Towards a green economy decision support system for tourism destinations / Alexandra Law [et al.] Resp- Sec.: Law, Alexandra Lacy, Terry De McGrath, G. Michael Whitelaw, Paul Lipman, Geoffrey Buckley, Geoff
2.		Air transport in a competitive european market : problems, prospects and strategies / by Stephen Wheatcroft and Geoffrey Lipman Autor: Wheatcroft, Stephen Data Publicação: 1986 Coautor: Lipman, Geoffrey Co col. autor sec.: EIU
3.		Future trends in civil aviation / Geoffrey Lipman Autor: Lipman, Geoffrey
4.		A millennium vision / Geoffrey Lipman Autor: Lipman, Geoffrey
5.		Human capital in the tourism industry / Geoffrey Lipman Autor: Lipman, Geoffrey
6.		African tourism in the age of uncertainly / Geoffrey Lipman Autor: Lipman, Geoffrey
7.		Liberalization with a human face: the aviation dimension / Geoffrey Lipman Autor: Lipman, Geoffrey
8.		Conclusions / Geoffrey Lipman Autor: Lipman, Geoffrey