Lubischew (1962) On the use of discriminant function in taxonomy,

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30 Νοε 2013 (πριν από 3 χρόνια και 6 μήνες)

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Lubischew (1962) On the use of discriminant function in taxonomy,
biometrics, 18, 455-477

Two species of flea beetle are to be classified by the following 4
measurements:
Y1: the distance of transverse groove from posterior border of the
prothorax (um)
Y2: the length of elytra (0.01mm)
Y3: the length of the second antennal joint (um)
Y4: the length of the third antennal joint (um)