Welcher, Frank Johnson,  1907- <br/><br/>
The analytical uses of ethylenediaminetetraacetic acid / 
by Frank J. Welcher. 
 - Princeton, N.J. :  Van Nostrand,  [c1958]. 
 - xiv, 366 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethylenediaminetetraacetic acid.