Gillings, R.J. <br/><br/>
Graphs: Columnar, straght line, locus, curved and complex 

 - London  George G. Harrap 
 - 76p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510.83 GIL