Raymond L. Lee. The rainbow bridge: rainbows in art, myth, and science. Penn State Press, 2001, p. 109. ISBN 978-0-271-01977-2. «"Despite its many flaws and its appeal to Pythagorean numerology, Aristotle's qualitative explanation showed an inventiveness and relative consistency that was unmatched for centuries. After Aristotle's death, much rainbow theory consisted of reaction to his work, although not all of this was uncritical."»
