Johnson, J. Harlan <br/><br/>
Geology of Saipan, Mariana Islands. Part 3. Paleontology. Chapter E. Calcareous algae 

 - Washington, D.C.  U.S. Geological Survey  1957 
 - pp. 209-245  láms. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PALEOBOTANICA
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ISLAS MARIANAS