Overbeek, Ross A <br/><br/>
Introduction to cobal : a primer and programming guide 
Ross A. Overbeek and W. E. Singletary 
 - Reading  Massachusetts Addison-Wesley   c1986 
 - xvii,395p.:ill.; 27cm. 
<br/><br/><label>Dewey Class. No.: </label>001.6424C  / OVE