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1.
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Three generations of polyploids in ambystomid salamanders Humphrey, Rufus Richard - Fankhauser, Gerald
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2.
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The development, structure and functional capacity of the ovaries in triploid ambystomid salamanders Humphrey, Rufus Richard - Fankhauser, Gerald
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3.
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Structure and functional capacity of the ovaries of higher polyploids (4N, 5N) in the Mexican axolotl (Siredon or Ambystoma mexicanum) Humphrey, Rufus Richard - Fankhauser, Gerald
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4.
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The origin of spontaneous and experimental haploids in the Mexican axolotl (Siredon or Ambystoma mexicanum) Humphrey, Rufus Richard - Fankhauser, Gerald
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5.
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Ductless glands and development. Amphibian metamorphosis considered as consecutive dimorphism, controlled by the glands of internal secretion Huxley, Julian Sorell
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6.
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Fire in gallery forests Kellman, M - Meave del Castillo, Jorge Arturo
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