1933
DOI: 10.1007/bf01490910
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Keimblattchimären

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Cited by 7 publications
(4 citation statements)
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“…Descriptions of analytical instruments of the magnetic deflection type which incorporate various modifications, improvements, and special features have appeared in the literature (5,10,15, 20,61,111,113,185,196,207,209,210). The group working with Urey has described the experimental arrangement whereby it has been able to attain high precision in making relative measurements of isotopic abundance (123).…”
Section: Instruments Methods and Techniquesmentioning
confidence: 99%
“…Descriptions of analytical instruments of the magnetic deflection type which incorporate various modifications, improvements, and special features have appeared in the literature (5,10,15, 20,61,111,113,185,196,207,209,210). The group working with Urey has described the experimental arrangement whereby it has been able to attain high precision in making relative measurements of isotopic abundance (123).…”
Section: Instruments Methods and Techniquesmentioning
confidence: 99%
“…Russian contributors For example, Levit et al (Levit, Simunek, & Hossfeld, 2008) and Reif et al (Reif, Junker, & Hossfeld, 2000) credit Erwin Baur (1875-1933, Walter Zimmermann (1892, Nikolai V. Timofeev-Ressovsky (1900 and Gerhard Heberer (1901 Huxley (1942) which fell rather short of synthesis, we have had the works of Mayr (1942) stemming from zoological and of Stebbins (1950) stemming from botanical systematics and genetics, of Simpson (1944, 89 These chapters have been expanded in the 1959 English edition, but there was no significant change in content, in particular in Rensch's view of the relation between evolution and development. I will rely on the 1959 English edition.…”
Section: The Consensual View Of the Modern Synthesismentioning
confidence: 99%
“…(Rensch, 1959, p. 242) Like others before him (De Beer, 1930;Schindewolf, 1936) xenoplastic transplantations. He relies in particular on the works of Leopold von Ubisch (1923Ubisch ( , 1933 and Fritz Baltzer (1950a, 1950b, both former students of Theodor Boveri, like Hans Spemann, but who, more than Spemann, were interested in the relations of genetics to development (Gehring, 1998, p. 87;Sander, 1994). Rensch also relies on early experimental work of Johannes Holtfreter (1934).…”
Section: )mentioning
confidence: 99%
“…Gustafson and Wolpert () described the behavior of skeletogenic cells as they migrated inside the blastocoel in preparation for skeletogenesis, and Okazaki () showed that many of those same behaviors occurred when PMCs were placed in vitro . The Okazaki work and earlier work by von Ubisch () and Baltzer et al . () supported the hypothesis that autonomous patterning mechanisms were programmed into the skeletogenic cells.…”
mentioning
confidence: 99%