1. Angenaeherte Synthese von Mechanismen;Bloch,1951
2. Papers on Geometrical Theory of Motion …;Tesar,1960
3. Cinematica della Biella Piana;Allievi,1895
4. The Correlation of Hinged Four-Bar Straight Line Motion Devices by Means of the Roberts Theorem and a New Proof of the Latter;DeJonge;Annals of the New York Academy of Sciences,1960