Gratzer, George <br/><br/>
Lattice Theory :  First concepts and distributive lattices / 
George Gratzer 
 - 1st ed 
 - San francisco :  W.h freeman and company,  1971 
 - 212 p. ;  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lattice
<br/><br/><label>Dewey Class. No.: </label>511.33  / GRL