[Germ layer theory--historical judgments and perspectives (on the 150th anniversary of the publishing of K. M. Baer's book "History of Animal Development. Observations and Considerations"].
D000818:Animals; D004626:Embryology / Q000266:history*; D005855:Germ Layers; D005858:Germany; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D012425:Russia (Pre-1917)
Teoriia zarodyshevykh listkov--istoricheskie sud'by i perspektivy (k 150-letiiu vykhoda knigi K. M. Bera "Istoriia razvitiia zhivotnykh. Nabliudeniia i razmyshleniia").