Roos.A.J. <br/><br/>
Electromathematics:  2.Functions and Positions 
A.J.Roos 
 - London:  ROOS,  2011 
 - 72 p.:  ill.;  18cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Numbers
<br/><br/><label>LC Class. No.: </label>QC 20