Magnetic electron lenses 
edited by P.W. Hawkes with contributions by P.W. Hawkes ... (et al.) 
 - Berlin  Springer-Verlag  1982 
 - 462p. 25cm 
 - Topics in current physics  v. 18 .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Magnetic lenses