TY  - BOOK
AU  - Tappan,Helen Nina
TI  - The paleobiology of plant protists
SN  - 0716711095
PY  - 1980///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Micropaleontology
KW  - Paleobotany
KW  - Unicellular organisms
N1  - Includes bibliographies and index
ER  -