Fishbein AR, Idsardi WJ, Ball GF, Dooling RJ. Sound sequences in birdsong: how much do birds really care?.  2020. Available at: https://royalsocietypublishing.org/doi/10.1098/rstb.2019.0044.

Gutscher L, Pucher M, Lozo C, Hoeschele M, Mann DC. Statistical parametric synthesis of budgerigar songs. ?: ; 2019.

Seki Y, Tomyta K. Effects of metronomic sounds on a self-paced tapping task in budgerigars and humans. Current Zoology. 2018. Available at: https://academic.oup.com/cz/advance-article/doi/10.1093/cz/zoy075/5126939.