TY  - BOOK
AU  - Cushman,Joseph A.(Joseph Agustine)
TI  - Foraminifera: their clasification and economic use 
SN  - 0-674-30801-8
AV  - QL368 .F6 C88
PY  - 1980///
CY  - Cambridge, Mass.
PB  - Harvard University
N1  - "With an illustrated key to the genera"; Bibliografia : p. [377]-443
ER  -