Fernandez, Proceso Jr. L. <br/><br/>
On the  complexities of the block sorting and poset cover problems 
Proceso L. Fernandez, Jr. 
 - Manila  Ateneo de Manila University  2009 
 - x, 203p. 
<br/><br/>Doctor of Philosophy 
<br/><br/><label>LC Class. No.: </label>T-01032