Copper in animal wastes and seeage sludge  Proceedings 

 -  1981 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Copper-Texicology<br/>Sewage sludge<br/>Swine- Feedings & Feeds<br/>Copper-Animal Nutrition
<br/><br/><label>Dewey Class. No.: </label>628.354  / E80C