Eckert, W. J.  1902-1971. <br/><br/>
Punched card methods in scientific computation/ 
by W.J. Eckert ; with a new introduction by J.C. McPherson. 
 - Cambridge, Mass.:  Los Angeles:  MIT Press,  Tomash,  [1984]. 
 - xv, ix, 136 p., [4] p. of plates:  ill.;  23 cm. 
 - Charles Babbage Institute reprint series for the history of computing;  v. 5 .
<br/><br/> Reprint. Originally published: New York : Columbia University, 1940.  Includes index. 
<br/><br/>Bibliography: p. xv. 
<br/><br/><label>ISBN: </label>0262050307 
<br/><br/><label>LCCN: </label>84009724 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Punched card systems---Astronomy<br/>Punched card systems---History.
<br/><br/><label>Dewey Class. No.: </label>004.56  / E19p