Apellaniz, Estibaliz <br/><br/>
Analysis of uppermost cretaceous-lowermost Tertiary hemipelagic successions in the basque country (western Pyrenees) :  evidence for a sudden extinction of more than half planktic foraminifer species at the K/T boundary 

<br/><br/>bibliogr. p. 792-793 
<br/><br/><label>ISSN: </label>00379409