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Iris Dataset
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6
Trifocal_lenses?oldid=1006159992&ns=0
Trifocal_lenses?oldid=1006159992&ns=0
http://en.wikipedia.org/wiki/Trifocal_lenses?oldid=1006159992&ns=0
Trifocal lenses
wasDerivedFrom
Trifocal_lenses?oldid=1006159992&ns=0
http://en.wikipedia.org/wiki/Trifocal_lenses?oldid=1006159992&ns=0