Niels Bohr :  Collected works / 
general editor L. Rosenfeld, edited by J. Rud Nielsen 
 - Amsterdam :  North-Holland,   1987 
 - v. ;   26 cm. 
<br/><br/> Contents: v.8. The penetration of charged particles through matter (1912-1954) - v.1 - Early work (1905-1911) - v.3 - The Correspondence Principle (1918-1923) v.4 - The Periodic System (1920-1923) - v.6 - Foundations of Quantum physics I (1926-1932) 
<br/><br/><label>ISBN: </label>0720418003 
<br/><br/><label>LCCN: </label>70-126498 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Particles (Nuclear physics)--Collected works<br/>Particles--Collected works