Contributions to genoid evaluations and GSP heighting / 
by Z. Ahmad ... [et al.]. 
 - Kensington, N.S.W. :  School of Surveying, University of New South Wales,  1993. 
 - xii, 209 p. 
<br/><br/><label>ISBN: </label>0853890639 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philippines--Surveys.<br/>Geodesy.<br/>Surveying.