Tommila, Eero <br/><br/>
The Infrared Spectra of Sulphonyl Chlorides and Sulphonic Acid Esters 

 - Helsinki :   Suomalainen Tiedeakatemia,   1957. 
 - 19 p. ;   18 cm. 
 - Annales Academiae Scientiarum Fennicae ;   78 .