The Year Book of the International Council of Scientific Unions 

 - France:  ICSU,  1975. 
 - 141p.;  21cm 
<br/><br/><label>ISBN: </label>00744387 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Miscellany
<br/><br/><label>Dewey Class. No.: </label>502.3  / YEA