Tavakoli, S, Pigoli, D, Aston, J & Coleman, J S 2019, ' A Spatial Modeling Approach for Linguistic Object Data : Analyzing Dialect Sound Variations Across Great Britain ', Journal of American statistical association, vol. 114, no. 527, pp. 1081-1096 . https://doi.org/10.1080/01621459.2019.1607357
Ann. Statist. 45, no. 4 (2017), 1431-1461 Contributions to Statistics ISBN: 9783319558455 Aston, J A D, Pigoli, D & Tavakoli, S 2017, ' Tests for separability in nonparametric covariance operators of random surfaces ', ANNALS OF STATISTICS, vol. 45, no. 4, 06773279, pp. 1431-1461 . https://doi.org/10.1214/16-AOS1495