Cloud,Preston E. <br/><br/>
Notes on stromatolites 

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 - EEUU    1942 
 - 16p.  21cm 
 - American Journal of Science   v.240 .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label>--Stromatolites--Algas fosiles--Paleobotanica--Paleontologia--Flora fosil--Plantas fosiles--<br/>Geologia