Hviid, Morten (1998) Relational contracts, repeated interactions and contract modifications. European Journal of Law and Economics, 5 (2). pp. 179-194. ISSN 1572-9990
Naldi, Gino J. (1998) Separatism in the Comoros: Some legal aspects. Leiden Journal of International Law, 11 (2). pp. 247-256. ISSN 0922-1565
Kunzlik, Peter (1998) Environmental Issues in International Procurement. In: Public Procurement: Global Revolution (International Economic Development Law Series). Kluwer Law International, London, p. 199.
Wadlow, Christopher (1998) Enforcement of Intellectual Property in European and International Law. Sweet & Maxwell Ltd., London. ISBN 9780421501607