Ingalls 1979: W. B. Ingalls, Formular density in the similes of the Iliad, TAPhA 109 1979 87-109.
Gleichnis, Formeln, Statistik
Il. 2,87-94
Ingalls 1982: W. B. Ingalls, Linguistic and formular innovation in the mythological digressions in the Iliad, Phoenix 36 1982 201-202.
Exemplum, Formeln