Theory of machines and mechanisms - 5. ediciónGordon R. Pennock, Joseph E. Shigley · First published 2017Open the Tome
The Colours of InfinityNigel Lesmoir-Gordon, Ian Stewart, Arthur C. Clarke, Michael F. Barnsley, Louisa Barnsley, Gary William Flake, David Pennock, Robert R. Prechter, Benoît B. Mandelbrot · First published 2004Open the Tome
Theory of machines and mechanismsJohn J. Uicker, Gordon R. Pennock, Joseph E. Shigley · First published 2003Open the Tome
