UN R88 (1993) Close UN R88 (31 Mar 1993) Download in .pdf format | Close	31 Mar 1993	2011-02-01 07:47:29 UTC
UN R88 (2007) Close UN R88 ( 7 Aug 2007) Download in .pdf format | Close	7 Aug 2007	2011-02-01 07:48:18 UTC
UN R88 (1993) Close UN R88 (27 Sep 1993) Download in .pdf format | Close	27 Sep 1993	2011-02-01 07:49:50 UTC
Earlier texts may be available through the UN Official Document System.