Chouldhry, Ghulam Ghaus. <br/><br/>
Humic substances  : structural, photophysical, photochemical and free radical aspects and interactions with environmental chemicals 

 - New York :  Gordon and Breach Science,  1984 
 - 185 p 
 - Current topics in environmental and toxicological chemistry  ; 7 .
 - Current topics in environmental and toxicological chemistry  ; 7 .
<br/><br/><label>LCCN: </label>23586 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Acido humico.<br/>Humus.
<br/><br/><label>Dewey Class. No.: </label>631.41  / C4