Crouch, Ralph. <br/><br/>
Algebraic systems 
[by] Ralph Crouch [and] David Beckman. 
 - Glenview, Ill.,  Scott, Foresman  [c1966] 
 - Fundamental mathematical structures .
<br/><br/><label>LCCN: </label>67002601 //r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra, Abstract.
<br/><br/><label>LC Class. No.: </label>QA266  / .C7 
<br/><br/><label>Dewey Class. No.: </label>512/.8