Perley Daniel R <br/><br/>
MIgrating to open systems 
Perley Daniel R 
 -  1993 
<br/><br/><label>Standard No.: </label>7392 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D6,8(B), N3