Information sources on non-conventional sources of energy 

 - New York:  United Nations,  1978 
 - 110 p. 
<br/><br/>0238 
<br/><br/>Professional, trade and research organizations, learned societies and special information services. Directories. Sources of statistics marketing and other economic data. basic handbooks, textbooks and manuals.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Recursos Energéticos<br/>Recursos Energéticos Renovables<br/>Directorio
<br/><br/><label>Dewey Class. No.: </label>025  / U5811