Ryder, John D <br/><br/>
Networks, lines and fields 

 - 2 
 - New Delhi  PHI  1991 
 - 593p. 
<br/><br/><label>ISBN: </label>08769229910 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Networks, lines, fields
<br/><br/><label>Dewey Class. No.: </label>621.3192  / RYD-N2