International council of scientific unions /    special committee fo r the international biological programme. 

 - London :    IBP Central Office,    1964- 
 - v. ;    26 cm. 
 - Irregular 
 - No. 1 (November 1964) - No. 19 (March 1969) 
<br/><br/><label>Subjects--Corporate Names: </label><br/> International Biological Programme