Van der Hammen, T. <br/><br/>
A palynological study on the tertiary and upper cretaceous of British Guiana 

<br/><br/> Sobretiro de: Leidse Geologische Mededeling 30:183-241, 1964 
<br/><br/><label>LCCN: </label>47378 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Polen fósil.