@inbookBruns_Carlsen_Eichen_Erfjord_Hundeland_2020, place=Cham, title=Situational Perception in Mathematics (SPiM)—Results of a Cross-Country Study in Austria and Norway, DOI=10.1007/978-3-030-34776-5_19, booktitle=Mathematics Education in the Early Years, publisher=Springer, author=Bruns, Julia and Carlsen, Martin and Eichen, Lars and Erfjord, Ingvald and Hundeland, Per Sigurd, year=2020, pages=317–332