GRATZER (George) <br/><br/>
Lattice theory: first concepts and distributive lattices 

 - New York  Dover publications  2009 
 - xv,212  PB 
<br/><br/><label>ISBN: </label>978-0-486-47173-0 
<br/><br/><label>Dewey Class. No.: </label>511.33   / GRAL