Duckworth, Henry Edmison,  1915- <br/><br/>
Mass spectroscopy / 
H.E. Duckworth 
 - Cambridge :  The University Press,  1958. 
 - 206 p. :  ill. ;  22 cm. 
 - Cambridge monograms on physics .
<br/><br/> Reprinted in 1960 
<br/><br/>Includes bibliographic references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass spectrometry
<br/><br/><label>Dewey Class. No.: </label>535.84 DUC