Renewable energy resources :  the full reports to the Conservation Commission of the World Energy Conference. 

 - Guildford etc. :  IPC Science and Technology Press for the W.E.C.,  1978. 
 - 181 p. :  ill. ;  31 cm. 
 - World energy reosurces, 1985-2020 .
<br/><br/> In 5 vols  Spine title: Renewable energy resources 
<br/><br/>Contents: Unconventional energy resources / by P.L. Auer et al. - Hydraulic resources / by Ellis L. Armstrong 
<br/><br/><label>ISBN: </label>0902852981 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Power resources--Congresses.