Yapp W B <br/><br/>
Production pollution protection 

 - London  Wykeham           1972 
 - xii,183p.  cm. 
<br/><br/> Appendix 160-172p 
<br/><br/><label>Standard No.: </label>45643 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>G:55, L2