Hönigmann, T., Brandl, D., Stockinger, M., Gruber, C., Frois, F. and Ressel, G.. "Determination of prior austenite grain-and martensitic substructure size from metallographic etchings using a multi-step image processing algorithm" Practical Metallography, vol. 59, no. 7, 2022, pp. 386-404. https://doi.org/10.1515/pm-2022-1012 © 2022 Walter de Gruyter GmbH, Berlin/Boston, Germany