TY  - BOOK
AU  - Deunff, Jean
TI  - Tunisphaeridium: a new acritach genus from the Silurian and Devo nian 
U1  - P 562 D38 
PY  - 1968///
CY  - Stanford
PB  - Stanford, California, School of Earth Sciences, Stanfo rd University
KW  - Tunispaeridium
KW  - Paleonlotogy
KW  - Devonian
KW  - Silurian
N1  - Includes bibliographical references (p.13)
ER  -