@article{c6cde6354c2a45689f3005f44518e87b,
title = "Individualized Skill Assessment in Digital Learning Games: Basic Definitions and Mathematical Formalism",
author = "Thomas Augustin and Cord Hockemeyer and Michael Kickmeier-Rust and Dietrich Albert",
year = "2011",
doi = "10.1109/TLT.2010.21",
language = "English",
volume = "4",
pages = "138--148",
journal = "IEEE Transactions on Learning Technologies",
issn = "1939-1382",
publisher = "Institute of Electrical and Electronics Engineers",
number = "2",
}