Moran, M. E «The da Vinci robot» (en anglès). J. Endourol., 20(12), desembre 2006, pàg. 986–990. DOI: 10.1089/end.2006.20.986. PMID: 17206888. «... the date of the design and possible construction of this robot was 1495 ... Beginning in the 1950s, investigators at the University of California began to ponder the significance of some of da Vinci's markings on what appeared to be technical drawings ... It is now known that da Vinci's robot would have had the outer appearance of a Germanic knight.»
Bowles, Edmund A. «Instruments at the Court of Burgundy (1363-1467)» (en anglès). The Galpin Society Journal. Galpin Society, 6, 1953, pàg. 41. DOI: 10.2307/841716. JSTOR: 841716.
Bowles, Edmund A. «Instruments at the Court of Burgundy (1363-1467)» (en anglès). The Galpin Society Journal. Galpin Society, 6, 1953, pàg. 41. DOI: 10.2307/841716. JSTOR: 841716.
Moran, M. E «The da Vinci robot» (en anglès). J. Endourol., 20(12), desembre 2006, pàg. 986–990. DOI: 10.1089/end.2006.20.986. PMID: 17206888. «... the date of the design and possible construction of this robot was 1495 ... Beginning in the 1950s, investigators at the University of California began to ponder the significance of some of da Vinci's markings on what appeared to be technical drawings ... It is now known that da Vinci's robot would have had the outer appearance of a Germanic knight.»