Johnson, Leonard G.  1918- <br/><br/>
Theory and technique of variation research / 
by Leonard G. Johnson. 
 - Amsterdam,  New York :  Elsevier Pub. Co.,  1964. 
 - viii, 105 p. :  ill. ;  22 cm. 
<br/><br/> Appendix: 3 fold. tables mounted on end paper. 
<br/><br/>Bibliography: p. [101] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.<br/>Graphic methods.
<br/><br/><label>Dewey Class. No.: </label>519.5  / JOT 1964