Lyons, K. J. <br/><br/>
Height control for 1 : 100 000 mapping / 
by Kenneth James Lyons. 
 -  1969. 
 - 72 leaves. 
<br/><br/>Project (M. Sc.) -- University of New South Wales. 
<br/><br/>Author a staff member of the Papua and New Guinea Institute of Technology.  Author a staff member of the Papua and New Guinea Institute of Technology. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cartography.<br/>Altitudes.