TY - BOOK ED - United Nations. ED - United Nations. TI - International cooperation in tax matters : : report of the Ad Hoc G roup of Experts on International Cooperation in Tax Matters on the work of its fifth meeting SN - 921590833 PY - 1990/// CY - New York : PB - United Nations, KW - Double taxation KW - Tax administration and procedure KW - International cooperation N1 - "ST/ESA/217."; "United Nations publication sales no. E.90.XVI.3"--T.p. verso ER -