Duckworth, H. E. (Henry Edmison), 1915-  Duckworth, H. E. (Henry Edmison), 1915- <br/><br/>
Mass spectroscopy / 
by Henry E. Duckworth. 
 - Cambridge :  University Press,  1960, [c1958] 
 - Cambridge monographs on physics .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass spectrometry.