We must not forget such similar privilegings of harmonic elements as the medieval theologian's analogy between the interrelation of musical sounds and the silences punctuating them […]
Induration is a measure of rock strengthand is defined as the ratio of the measured frame modulus to the maximum frame modulus allowed by the Gassmann-Biot model. Spratt, R. S.; Goins, N. R. and Fitch, T. J. (1993) Pseudo-shear — The analysis of AVO. Castagna, John P. and Backus, Milo M. (eds.) Offset-Dependent Reflectivity — Theory and Practice of AVO Analysis. Series: Investigation in Geophysics volume 8. Tulsa : Society of Exploration Geophysicistspp. 37-56, page 37, isbn 978-1-56080-059-0.
What you need are frogs,' said the veteran.Fish them at night. There's nothing like them on big cork floats.'
Polydamas' role becomes more plausible if we assume that he was not Makedonian at all but Pharsalian.