Year book of the international council of scientific union 1975 

 - Italy:   ICSU Secretariat,   1975 
 - 141p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scientific 
<br/><br/><label>Subjects--Index Terms: </label>International council 
<br/><br/><label>Universal Decimal Class. No.: </label>R 5(061.2)(100)  / L5