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1969 (1) Apply 1969 filter

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Authors	Year	Title
P. C. Twiss	1969	Morphological classification of grass phytoliths

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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith

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