Bir, S. (1978). The Anatomy of Equisetum diffusum Tubers. Zenodo.
Chicago-čujuhus (17. p.)Bir, S.S. The Anatomy of Equisetum Diffusum Tubers. Zenodo, 1978.
MLA-čujuhus (9. p.)Bir, S.S. The Anatomy of Equisetum Diffusum Tubers. Zenodo, 1978.
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