1. Smith S.T. and Chetwynd D.G., 1992, Foundations of Ultraprecision Mechanism Design, Gordon and Breach, London, 348 pages, ISBN 2-88124-840-3, seventh printing before going to electronic press. Now CRC press.
2. Smith S.T., 2000, Flexures: Elements of Elastic Mechanisms, Gordon and Breach, London, 430 pages, ISBN 90-5699-261-9.