How to cite 

Bonnefille R, Rossignolstrick M, Riollet G (1982). Organic-matter and palynology of DSDDP site-367 pliocene-pleistocene cores off west-africa. Oceanologica Acta, 5(1), 97-104. Open Access version : https://archimer.ifremer.fr/doc/00121/23199/