Ramlan Omar. <br/><br/>
Neogene calcareous nannofossils from the Sulu Sea and Sarawak Basin 
Ramlan Bin Omar. 
 - Aberystwyth :  University of Wales ,  1996. 
 - 242 p. : ill. ; 30 cm. 
<br/><br/>Thesis (Ph. D.) - University of Wales, 1996. 
<br/><br/>p. 184-203 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Neogene.<br/>Geology--Sarawak.