Breslich, Ernst R. <br/><br/>
Excursion in mathematics. 

 - Chicago :  The Orthovis Company,  1938. 
 - 47p.  :ill.  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>LC Class. No.: </label>QA462.B8