Gozo, Beaunonie Jr. R. <br/><br/>
On non-perfect colorings of tilings with associated color groups of index at most 4 
Beaunonie R. Gozo, Jr. 
 - Quezon City  Ateneo de Manila University - Loyola Schools  2011 
 - xiv, 115p. 
<br/><br/>Doctor of Philosophy 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>COLOR GROUP<br/>NON-PERFECT COLORING<br/>SEMI-PERFECT COLORING
<br/><br/><label>LC Class. No.: </label>CD-01125t