Harder, L. D., & Johnson, S. D. Function and evolution of aggregated pollen in angiosperms.
Čikaški stil citiranjaHarder, Lawrence D., i Steven D. Johnson. Function and Evolution of Aggregated Pollen in Angiosperms.
MLA način citiranjaHarder, Lawrence D., i Steven D. Johnson. Function and Evolution of Aggregated Pollen in Angiosperms.
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