Hell, Pavol <br/><br/>
Graphs and homomorphisms 
Pavol Hell and Jaroslav Nešetřil 
 - Oxford  Oxford University Press  2004 
 - xii, 244 p. : ill. ; 24 cm 
<br/><br/> Includes index. Bibliography 
<br/><br/><label>ISBN: </label>9780198528173 
<br/><br/><label>ISSN: </label>2004533593 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graph theory<br/>Homomorphisms (Mathematics)
<br/><br/><label>Dewey Class. No.: </label>511.5 HEL