Axelson, Jan. <br/><br/>
Serial port complete: programming and circuits for rs232 and rs485 links and networks 

 - Mumbai :  Penram International  Publication,  1994 
 - 306. 
<br/><br/><label>ISBN: </label>8187972033  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data processing computer science
<br/><br/><label>Dewey Class. No.: </label>004.77  / AXE