Britannica on Greek civilization in the 5th century - Military technology Citaĵoj: «The 7th century, by contrast, had witnessed rapid innovations, such as the introduction of the hoplite and the trireme, which still were the basic instruments of war in the 5th» kaj «But it was the development of artillery that opened an epoch, and this invention did not predate the 4th century. It was first heard of in the context of Sicilian warfare against Carthage in the time of Dionysius I of Syracuse».
doi.org
dx.doi.org
Koetsier, Teun (2001), "On the prehistory of programmable machines: musical automata, looms, calculators", Mechanism and Machine Theory (Elsevier) 36 (5): 589–603, doi:10.1016/S0094-114X(01)00005-2.
"The Antikythera Mechanism Research Project" Arkivita la 28an de aprilo 2008 en Wayback Machine., Alirita la 1an de Julio, 2007. Citaĵo: «The Antikythera Mechanism is now understood to be dedicated to astronomical phenomena and operates as a complex mechanical "computer" which tracks the cycles of the Solar System».
Georges Ifrah (2001). The Universal History of Computing: From the Abacus to the Quatum Computer, p. 171, Trad. E.F. Harding, John Wiley & Sons, Inc. (See [2])
