The year book of the International Council of Scientific Unions. 
 Yearbook of the International Council of Scientific Unions  ICSU year book  <1986-> 

 - London :  The Council,  [1954]-1998. 
 - v. ;  22 cm. 
 - Annual 
 - 1975- 
<br/><br/><label>ISSN: </label>0074-4387 
<br/><br/><label>Subjects--Corporate Names: </label><br/>International Council of Scientific Unions.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Periodicals.
<br/><br/><label>Dewey Class. No.: </label>506