Ehrenberg, A. S. C. (Andrew Samuel Christopher), 1926- <br/><br/>
Data reduction; analysing and interpreting statistical data 
/ by A. S. C. Ehrenberg 
 - London  John Wiley & Sons  1975 
 - xvii, 391 p. : illus. ; 24 cm. 
<br/><br/> 'A Wiley-Interscience publication.' 
<br/><br/>Bibliography: p. 377-380. 
<br/><br/><label>ISBN: </label>0471233994 
<br/><br/><label>LCCN: </label>74-3724 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical statistics<br/>Statistics<br/>Data reduction