Science indicators 

 - [Washington, D.C.] :  National Science Board, National Science Foundation :  United States Government Printing Office,  1973 
 - 145 p. :  ill. ;  28 cm. 
 - a Biennial 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science indicators--United States<br/>Science--United States<br/>Science--United States--Statistics<br/>Technology--United States--Statistics
<br/><br/><label>Dewey Class. No.: </label>338.973