Page Telbot <br/><br/>
Conservation and economics efficiency   An approach    

 - London  John Hopkings           1977 
 - xvii, 266p  cm. 
<br/><br/> Appendix P 217-51 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quality Control
<br/><br/><label>Dewey Class. No.: </label>X:89T, L7