International co-operation in tax matters : report of the Ad Hoc Group of Experts on International Co-operation in Tax Matters on the wo rk of its eighth meeting. - New York : United Nations, 1998. - iv, 116 p. : ill. ; 28 cm. "United Nations publication sales no. E.87.XVI.1" ISBN: 9211590922 (pbk.) Subjects--Topical Terms: Double taxation. Double taxation -- Developing countries.