American Scientist :  150 years of the periodic table / 
Fenella Saunders. 
 - Research Triangle Park, NC :  Sigma XI,  No./De. 2019. 
 - 322-384 pages ;  30cm. 
 -  V.107, No.6 .
<br/><br/> 40 years of Oregon's changing lakes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>American scientist.