2 i.e. sekunde internationales sonnenforum 2e. forum solaire international = 2nd international solar forum 
 D i.e. second international solar forum  2e i.e. seconde forum solaire international 

 - 3 volúmenes 
<br/><br/> Texto en aleman, frances e ingles 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Energía solar--Congresos
<br/><br/><label>LC Class. No.: </label>TJ810  / I56 1978