Johnson,J.Harlan <br/><br/>
Limestone-building algae and algal limestones 

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 - Colorado - EEUU  Colorado School of Mines  1961 
 -  Fotocopia 
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<br/><br/><label>ISBN: </label>no 
<br/><br/><label>Subjects--Topical Terms: </label>--Arrecifes algales--Algas--Calizas algales--Paleobotanica--Paleontologia----<br/>Geologia