Hartwig, Frederick <br/><br/>
Exploratory data analysis 
by Frederick Hartwig with Brian E. Dearing 
 - California  Sage Publications Inc  1979 
 - 83p  
<br/><br/><label>ISBN: </label>9780803913707  
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Data analysis 
<br/><br/><label>Dewey Class. No.: </label>519.5 HAR