Article Galdi, Giovanni P. (1991)
Leonardo's helicopter and Archimedes' screw: The principle of action and reaction. Achademia Leonardi Vinci (pp. 193-195). (/isis/citation/CBB000034698/) unapi

Article Putscher, Marielene (1991)
Körpergefühl und Raumvorstellung: Leonardo und Descartes. Berichte zur Wissenschaftsgeschichte (pp. 147-160). (/isis/citation/CBB000064986/) unapi

Article Pedretti, Carlo (1991)
Leonardo and the antique: A bibliography. Achademia Leonardi Vinci (pp. 214-244). (/isis/citation/CBB000034445/) unapi

Book Macagno, Enzo (1991)
Leonardian fluid mechanics. 1: History of kinematics. 2: Inception of modern kinematics. (/isis/citation/CBB000054389/) unapi

Book Mussini, Massimo (1991)
Il Trattato di Francesco di Giorgio Martini e Leonardo: Il Codice Estense restituito. (/isis/citation/CBB000033236/) unapi

Article Moffitt, John F. (1991)
The Evidentia of curling waters and whirling winds: Leonardo's Ekphraseis of the Latin weathermen. Achademia Leonardi Vinci (pp. 11-33). (/isis/citation/CBB000034594/) unapi

Article Kwakkelstein, Michael W. (1991)
Leonardo da Vinci's grotesque heads and the breaking of the physiognomic mould. Journal of the Warburg and Courtauld Institutes (pp. 127-136). (/isis/citation/CBB000034532/) unapi

Book Guerrini, Mauro (1990)
Bibliotheca Leonardiana, 1493-1989. Presentazioni di Augusto Marinoni, Carlo Pedretti. (/isis/citation/CBB000044914/) unapi

Chapter Galluzzi, Paolo (1990)
Leonardo da Vinci on creativity, mechanics, and the imitation of nature. In: Creativity in the arts and science (p. 88). (/isis/citation/CBB000056804/) unapi

Article Müller, Jörg; Mauersberger, Klaus (1990)
Leonardo da Vinci--seine Beziehungen zum Kurvengetriebe im Vorfeld der Technikwissenschaften. Wissenschaftliche Zeitschrift der Universität Rostock (pp. 99-141). (/isis/citation/CBB000057875/) unapi

Article Meyer, Barbara Hochstetler; Glover, Alice Wilson (1989)
Botany and art in Leonardo's Leda and the Swan. Leonardo (pp. 75-82). (/isis/citation/CBB000055998/) unapi

Book Leonardo da Vinci, (1989)
Leonardo on painting: An anthology of writings by Leonardo da Vinci with a selection of documents relating to his career as an artist. Edited by Kemp, Martin. Selected and translated by Kemp, Martin and Margaret Walker. (/isis/citation/CBB000053649/) unapi

Article Macagno, Enzo (1989)
Experimentation, analogy and paradox in Leonardo da Vinci. Raccolta Vinciana (pp. 205-236). (/isis/citation/CBB000041290/) unapi

Article Marinoni, Augusto (1989)
The place of the Codex Hammer in the development of Leonardo's thought. Raccolta Vinciana (pp. 285-298). (/isis/citation/CBB000041410/) unapi

Chapter Grössing, Helmuth; Maschat, Herbert (1989)
Zu den Technikzeichnungen Leonardo da Vincis. In: Poesis et pictura: Studien zum Verhältnis von Text und Bild in Handschriften und alten Drucken (p. 107). (/isis/citation/CBB000039422/) unapi

Book Maschat, Herbert (1989)
Leonardo da Vinci und die Technik der Renaissance. Mit einem Vorwort von Hasso Reschenberg. (/isis/citation/CBB000050536/) unapi

Article Marinoni, Augusto (1989)
Le proporzioni secondo Leonardo. Raccolta Vinciana (pp. 259-273). (/isis/citation/CBB000046921/) unapi

Book Kemp, Martin; Roberts, Jane (1989)
Leonardo da Vinci. (/isis/citation/CBB000050167/) unapi

Book Pizzamiglio, Pierluigi (1989)
Leonardo e la matematica. Atti della IX Giornata Leonardiana, Brecsia, dicembre 1986. (/isis/citation/CBB000039090/) unapi

Book Macagno, Enzo (1989)
Leonardian fluid mechanics in the manuscript I. (/isis/citation/CBB000051645/) unapi