Schneider, С. K. 1917. Illustriertes Handwörterbuch der Botanik. 2. Aufl., herausgeg. von K. Linsbauer. Leipzig: Engelmann, [2] 3 Temmuz 2018 tarihinde Wayback Machine sitesinde arşivlendi..
cshlp.org
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Lwoff, A., C.B. van Niel, P.J. Ryan, and E.L. Tatum (1946). Nomenclature of nutritional types of microorganisms. Cold Spring Harbor Symposia on Quantitative Biology (5th edn.), Vol. XI, The Biological Laboratory, Cold Spring Harbor, NY, pp. 302–303, [1] 7 Kasım 2017 tarihinde Wayback Machine sitesinde arşivlendi..
web.archive.org
Lwoff, A., C.B. van Niel, P.J. Ryan, and E.L. Tatum (1946). Nomenclature of nutritional types of microorganisms. Cold Spring Harbor Symposia on Quantitative Biology (5th edn.), Vol. XI, The Biological Laboratory, Cold Spring Harbor, NY, pp. 302–303, [1] 7 Kasım 2017 tarihinde Wayback Machine sitesinde arşivlendi..
Schneider, С. K. 1917. Illustriertes Handwörterbuch der Botanik. 2. Aufl., herausgeg. von K. Linsbauer. Leipzig: Engelmann, [2] 3 Temmuz 2018 tarihinde Wayback Machine sitesinde arşivlendi..