Jonathan Erichson <br/><br/>
Using R base  four thousands 

 - California  McGraw Hill  1985 
 - 243 p.  H B  24 cm. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Computer science
<br/><br/><label>Dewey Class. No.: </label>005.73  / ERI