Lauwerys, J. A. <br/><br/>
Man's impact on nature 
J. A. Lauwerys 
 - London  Aldus Books  c1969 
 - 188p.: ill.; 27cm.- 
 - Inter dependence in nature; no.2 .
<br/><br/><label>Dewey Class. No.: </label>574.5  / LAU