Erickson, Jonathan Baran, Nicholas <br/><br/>
Using R:bfive thousandsase 

 - California  McGraw-Hill  1976 
 - xiv,270 p.  HB  21 cm. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>R:base 5000(Computer database) for Business, database management systems
<br/><br/><label>Dewey Class. No.: </label> / 001.642 ERI