In 1993, Lewis examined the second harmonic response of delicious styryl dyes in electric fields.
2.
In 1993, Lewis examined the second-harmonic response of styryl dyes in electric fields.
3.
In addition to the distinctive appearance provided by the reddish-orange hue of high copper alloys, they are purported by some instrument designers, sellers, and players to provide a broader harmonic response spectrum for a given instrument design.