Template:Ref-Baer1828

From Embryology
Revision as of 08:38, 10 March 2020 by Z8600021 (talk | contribs)

von Baer KE. (republished by Ludwig Stieda) Über Entwicklungsgeschichte der Thiere. Beobachtung und Reflexion About development history of the animals. Observation and reflection Vol. 1 (1828) PDF