Geer, Helen Thornton. <br/><br/>
Charging systems / 
Helen Thornton Geer. 
 - Chicago :  American library association,  c 1963. 
 - vii, 177 p. :  22 cm.  ill. ; 
<br/><br/>Bibliography : p. (169-177). 
<br/><br/>301  301 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motor vehicles.
<br/><br/><label>Dewey Class. No.: </label>025.6 / G271c