TY - BOOK ED - United Nations. Ad Hoc Group of Experts on International Co-operatio n in Tax Matters. TI - 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 SN - 9211590922 (pbk.) PY - 1998/// CY - New York : PB - United Nations, KW - Double taxation KW - Developing countries N1 - "United Nations publication sales no. E.87.XVI.1" ER -