International Symposium on Fossil Algae University Erlangen-Nèurnberg, Friedrich-Alexander-Universitèat Erlangen-Nèurnberg. Institut fèur Palèaontologie, & Flèugel, E. (1977). Fossil algae: Recent results and developments. Springer-Verlag.
Chicago Style (17. basım) AtıfInternational Symposium on Fossil Algae University Erlangen-Nèurnberg, Friedrich-Alexander-Universitèat Erlangen-Nèurnberg. Institut fèur Palèaontologie, ve Erik Flèugel. Fossil Algae: Recent Results and Developments. Berlin, New York: Springer-Verlag, 1977.
MLA (9th ed.) AtıfInternational Symposium on Fossil Algae University Erlangen-Nèurnberg, et al. Fossil Algae: Recent Results and Developments. Springer-Verlag, 1977.
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