A/AC.109/L.1616/Add.1, 19 November 1987 + 13 August 1987, 2 copies; A/AC.109/L.1645, 13 August 1987; A/AC.109/L.1646, 15 January 1988; A/AC.109/L.1648, 8 April 1988; A/AC.109/L.1664/Add.1, 10 Octobre 1988 + Eng copy; A/AC.109/L.1666, 15 June 1988; A/AC.109/L.1669/Corr.1, 8 August 1988 + 28 July 1988; A/AC.109/L.1670, 25 July 1988; A/AC.109/L.1671, 25 July 1988; A/AC.109/L.1677, 5 August 1988; A/AC.109/L.1681, 18 January 1989; A/AC.109/L.1683, 6 April 1989; A/AC.109/L.1684, 17 May 1989 + 17 mai 1989; A/AC.109/L.1685, 10 July 1989; A/AC.109/L.1686, 23 June 1989 + 5 fevrier 1990; A/AC.109/L.1687, 22 June 1989; A/AC.109/L.1688, 22 juin 1989; A/ac.109/l.1709, 11 August 1989; A/AC.109/L.1712, 11 August 1989; A/AC.109/L.1715, 16 August 1989; A/AC.109/L.1718, 18 January 1990; A/AC.109/L.1719, 12 April 1990; A/AC.109/L.1721, 11 July 1990; A/AC.109/L.1722, 12 juillet 1990