Lewis, W. Bennett  1908-, <br/><br/>
Electrical counting :  With special reference to counting alpha and beta porticles / 
By w. b. Lewis 
 - 144 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Iones<br/>Descargas eléctricas
<br/><br/><label>LC Class. No.: </label>QC702  / L48