Introduction to environmental / 
Neal K. Ostler, editor. 
<br/><br/><label>ISBN: </label>0023895322 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection.<br/>Hazardous substances --Safety measures.
<br/><br/><label>LC Class. No.: </label>TD170   / .I57 1996