Boettcher, P. J., Stella, A., Pizzi, F., & Gandini, G. (2005). The combined use of embryos and semen for cryogenic conservation of mammalian livestock genetic resources. BioMed Central.
Chicago-stil citatBoettcher, Paul J., Alessandra Stella, Flavia Pizzi, och Gustavo Gandini. The Combined Use of Embryos and Semen for Cryogenic Conservation of Mammalian Livestock Genetic Resources. BioMed Central, 2005.
MLA-referensBoettcher, Paul J., Alessandra Stella, Flavia Pizzi, och Gustavo Gandini. The Combined Use of Embryos and Semen for Cryogenic Conservation of Mammalian Livestock Genetic Resources. BioMed Central, 2005.
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