United Nations Environment Programme Governing Council :    proceedi ngs of the Governing Council at its twentieth session. 

 - Nairobi :    United Nations,    1999. 
 - V. ;    29 cm. 
<br/><br/>  Description based on twentieth session (1-5 Febraury 1999) 
<br/><br/><label>Subjects--Corporate Names: </label><br/> United Nations -- Environmental policy -- Congress.<br/> United Nations Environment Programme.   Governing Council  -- Congre sses..