Berg, H C <br/><br/>
A method for separating according to mass a mixture of macromolecules or small particles suspended in a fluid. II. Experiments in a gravitational field.  [electronic resource] 

 -  Proceedings of the National Academy of Sciences of the United States of America  Oct 1967 
 - 1286-91 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0027-8424 
<br/><br/><label>Standard No.: </label>10.1073/pnas.58.4.1286  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Centrifugation<br/>Colloids<br/>Gravitation<br/>Macromolecular Substances--analysis<br/>Methods<br/>Molecular Weight<br/>Polystyrenes