David F N <br/><br/>
Combinatorial change 
David F N; Barton D E 
 - London  Griffin            1962 
 - vii, 356P  cm. 
<br/><br/> Bibliography at he end of each chapter; Glossary P 347-51 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>B281, K2