Toomey, D. F.; Nitecki, M. H., eds. (1985). Paleoalgology: Contemporary Research and Applications. Berlin: Springer-Verlag. ISBN 3-540-15312-8.
Toomey, D. F.; Nitecki, M. H., eds. (1985). Paleoalgology: Contemporary Research and Applications. Berlin: Springer-Verlag. ISBN 3-540-15312-8.