Secret hydrographic surveys in the Spratly Islands 
David Hancox, Victor Prescott.  
 - London  ASEAN Academic Press  1999.  
 - 219 p.  maps  22 cm. 
<br/><br/>Includes bibliographical references (p. 198-207).  
<br/><br/><label>ISBN: </label>1901919080 (hbk.) 9839275100 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrographic surveying--History.--Spratly Islands
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Spratly Islands--International status.<br/>Spratly Islands--Strategic aspects.