Calder, Nigel. <br/><br/>
Nature in the round;  a guide to environmental science, 
edited by Nigel Calder. 
 - London,  Wedenfeld [sic] & Nicolson  [1973] 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0297765973  L.3.25 
<br/><br/><label>LCCN: </label>73175701 //r92 
<br/><br/><label>Nat. Bib. No.: </label>GB*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.<br/>Environmental sciences.<br/>Conservation of natural resources.
<br/><br/><label>LC Class. No.: </label>QH541  / .C32 
<br/><br/><label>Dewey Class. No.: </label>301.31