Piperno, D. R., & Pearsall, D. M. (1984). The silica bodies of tropical american grasses: Morphology, taxonomy, and implications for grass systematics and fossil phytolith identification. Washington, D.C.: Smithsonian Institution Press.
Chicago Style CitationPiperno, Dolores R., and Deborah M. Pearsall. The Silica Bodies of Tropical American Grasses: Morphology, Taxonomy, and Implications for Grass Systematics and Fossil Phytolith Identification. Washington, D.C.: Smithsonian Institution Press, 1984.
MLA CitationPiperno, Dolores R., and Deborah M. Pearsall. The Silica Bodies of Tropical American Grasses: Morphology, Taxonomy, and Implications for Grass Systematics and Fossil Phytolith Identification. Washington, D.C.: Smithsonian Institution Press, 1984.