Directory of institutions and individuals active in environmentally-sound and appropriate technologies / 
INFOTERRA and the Environmentally-Sound and Appropriate Technology Task Force 
 - Oxford etc. :  Pergamon for the United Nations Environment Programme,  1979 
 - xviii, 152 p. ;  26 cm. 
 - United Nations Environment Programme. UNEP reference series ;  v.1 .
<br/><br/><label>ISBN: </label>0080256589 
<br/><br/><label>LCCN: </label>79-041204 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--Directories