R. Joy Littlewood, A Commentary on Ovid: Fasti Book 6 (Oxford University Press, 2006), p. 73; T.P. Wiseman, Remus: A Roman Myth (Cambridge University Press, 1995), p. 61 online.
Joseph Rykwert, The Idea of a Town: The Anthropology of Urban Form in Rome, Italy, and the Ancient World (MIT Press, 1988), pp. 101 and 159 online.