Frediani, P., Ghigi, A. and Spelta, I. 2021. Infinitely many Shimura varieties in the Jacobian locus for $g \leq 4$. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE. 22, 4 (Dec. 2021), 1597-1619. DOI:https://doi.org/10.2422/2036-2145.201910_009.