Bulman, O.M.B. <br/><br/>
Patterns of colonial development in Graptolites 

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 - ING    1958 
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 - Journal Linnean Soc. of London-Zool   v.44(295) .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label>--Graptolites--Paleontologia--<br/>Geologia