Northrop, H. <br/><br/>
Crystalline enzymes  H. Northrop, Moses Kunitz andRoger M. Herriott. 

 - 2ne rev. ed. 
 - New York  Columbia University Press  1955 
 - xxi, 352p.: ill. 23cm 
 - (Columbia biological series). .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Proteins Enzymology.
<br/><br/><label>Dewey Class. No.: </label>577.15  / M77C