Wells, Edward. , <br/><br/>
Lab manual for environmental science / 
Edward Wells. 
 - 195 pages :  illustrations ;  28 cm. 
<br/><br/><label>ISBN: </label>0495560243 9780495560241 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Enviromental sciences --Study and teaching.<br/>Environmental sciences --Problems, exercises, etc.
<br/><br/><label>LC Class. No.: </label>GE76   / .W44 2009