Wirth Niklaus <br/><br/>
Systematic programming : an introduction 
Wirth Niklaus 
 -  1973 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>778 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B2893PobD65,8(B), L32;2