Hawkins, R. R. <br/><br/>
Scientific, medical, and technical books :  published in The United States of America : Second suplement books published 1949-1952. 

 - Washington :  The National Research Council,  1953. 
 - 579 p. ;  28 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bibliografía
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Estados Unidos
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Bibliog
<br/><br/><label>Universal Decimal Class. No.: </label>015(73)