Gillings, R. J. <br/><br/>
Graphs, columnar, straight line, locus, curved and complex / 
R.J. Gillings. 
 - 3rd ed. 
 - Sydney :  Australasian Publishing,  1959. 
 - 77 p. ;  24 cm. 
<br/><br/> For secondary school students. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graphic methods--Problems, exercises, etc.--Juvenile literature.<br/>Mathematics--Charts, diagrams, etc.--Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>511.5076  / GIG 1959