Block Richard J <br/><br/>
Manual of paer cheomatography and paper electrophoresis 
by Block Richard J; Durrum Emmett L 
 -  1955 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>70903 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chromatography
<br/><br/><label>Dewey Class. No.: </label>E3051, J51