Rocha, J <br/><br/>
High-field 13C solid-state NMR studies of stream humic and fulvic acids with fast magic-angle spinning.  [electronic resource] 

 -  Solid state nuclear magnetic resonance  Sep 1993 
 - 191-5 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0926-2040 
<br/><br/><label>Standard No.: </label>10.1016/0926-2040(93)90024-h  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Benzopyrans--chemistry<br/>Carbon Isotopes<br/>Humic Substances--chemistry<br/>Magnetic Resonance Spectroscopy