Fletcher, Mary H.  1912- <br/><br/>
A fluorimeter for solutions, 
by Mary H. Fletcher and E. Ray Warner. 
 - Washington,  1953. 
 - 9 p.  illus.  27cm. 
 - Geological Survey circular ;  311 .
 - Geological Survey (U.S.).  Circular ;  311. .
<br/><br/><label>LCCN: </label>gs 54000216  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fluorimeter.
<br/><br/><label>LC Class. No.: </label>QE75  / .C5 no. 311 
<br/><br/><label>Dewey Class. No.: </label>535.3  535.65*