Babcock, Loren <br/><br/>
Exceptionally preserved Conulariids from the Conularienschichten, fossil-lagerstätten in the Devonian of Bolivia 

 - Travaux de l'Institut français d'études andines, 82 .
<br/><br/>bibliogr. p. 90-91 
<br/><br/><label>ISBN: </label>8489302189 
<br/><br/><label>ISSN: </label>0768424X