Organic mass spectrometry 

 - Belfast :  Heyden and Son, 
 - Mensual 
<br/><br/><label>ISSN: </label>0030-493X 
 = Organic mass spectrometry 
 = ORG. MASS SPECTROM. 
<br/><br/><label>Subjects--Index Terms: </label>QUIMICA ORGANICA