Christman, R.F. <br/><br/>
Natural environment : wastes and control 
by R.F. Christman... [et.al] 
 - California  Goodyear  1973 
 - 228p 
<br/><br/><label>ISBN: </label>0876206100 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental policy.<br/>Environmental protection<br/>Ecology<br/>Pollution
<br/><br/><label>Dewey Class. No.: </label>X9 C464