Sporne, K. P. The Morphology of Pteridophytes: The structure of ferns and allied plants.
Citazione stile Chigago Style (17a edizione)Sporne, K. P. The Morphology of Pteridophytes: The Structure of Ferns and Allied Plants.
Citatione MLA (9a ed.)Sporne, K. P. The Morphology of Pteridophytes: The Structure of Ferns and Allied Plants.
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