David Engels
ELECTRUM, Volume 20, 2013, pp. 77 - 115
David Engels
ELECTRUM, Volume 26, 2019, pp. 231 - 233
https://doi.org/10.4467/20800909EL.19.024.11227David Engels
ELECTRUM, Volume 26, 2019, pp. 195 - 196
https://doi.org/10.4467/20800909EL.19.014.11217David Engels
ELECTRUM, Volume 25, 2018, pp. 209 - 241
https://doi.org/10.4467/20800909EL.18.010.8930David Engels
ELECTRUM, Volume 21, 2014, pp. 43 - 71
https://doi.org/10.4467/20800909EL.14.001.2779