Mass spectroscopy in physics research.  Proceedings of the NBS semicentennial symposium on mass spectroscopy in physics research, held at the NBS on September 6, 7, and 8, 1951. 

 - Washington,  1953. 
 - vi, 273 p.  il.  24 cm. 
 - National Bureau of Standards circular ;  522 .
 - National Bureau of Standards circular ;  522. .
<br/><br/>Indice y bibliografía presentes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ANÁLISIS DE ESPECTRO<br/>ESPECTRÓMETRO DE MASAS<br/>ÓPTICA DE ELECTRONES Y IONES
<br/><br/><label>Dewey Class. No.: </label>543.51 Es82