| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Analysis and Design of Quadrature Oscillators | 978-1-4020-8515-4 (1-4020-8515-X) | 2008 | Luis B. Oliveira · Jorge R. Fernandes · Chris J. M. Verhoeven · Manuel M. Silva | |
| Quadrature RC-Oscillators: The van der Pol Approach | 978-3-030-00739-3 (3-030-00739-1) | 2018 | João Carlos Ferreira de Almeida Casaleiro · Luís Augusto Bica Gomes Oliveira |