Impact Factor
4.23
Estimated influence, citation density, publishing volume, and citation integrity from the analytics table.
Volume, recency, access pattern, and citing-community signals from the journal analytics record.
Recent article records with DOI-first linking and condensed abstracts.
Vols. 1-21, 1925-34, called also Zeitschrift für wissenschaftliche Biologie. Abt. E.
Also issued online.
Text in English or German with summaries in English.
Vol. 189, no. 1 (JAN 1993)19930203 Notice published Printed on acid-free paper