United Nations Environment Programme (UNEP).,  author. <br/><br/>
System-wide medium-term environent programme for the period 1990-1995/ 
United Nations Environment Programme. 
 - Nairobi :  Unnited Nations Environment Programme,   1988. 
 - viii, 103 pages ;  30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection.