Dowsing, R.D  <br/><br/>
A Frist Course in Formal Logic and Its Applications in Computer Science 
/by R.D  Dowsing,  
 - London,  Blackwell Scientific Publication ;  1986. 
 - v,265p. 
<br/><br/><label>ISBN: </label>0632013087 
<br/><br/><label>Dewey Class. No.: </label>005.131  / DOW/A