@inbook {933,
	title = {Classroom Assessment and Learning Support for Logical Reasoning in Mathematics Education - Suggestion of an E-proof-Environment},
	booktitle = {Classroom Assessment in Mathematics: Perspectives from around the Globe},
	year = {2018},
	publisher = {Springer},
	organization = {Springer},
	address = {Cham},
	author = {Platz, Melanie and Krieger, M and Winter, K and Niehaus, Engelbert},
	editor = {Thompson, Denisse R. and Burton, Megan and Cusi, Annalisa and Wright, David}
}
@inbook {939,
	title = {Distraktorenermittlung f{\"u}r elektronische Beweise in der Lehre},
	booktitle = {Beitr{\"a}ge zum Mathematikunterricht 2017},
	year = {2017},
	publisher = {WTM-Verlag},
	organization = {WTM-Verlag},
	address = {M{\"u}nster},
	author = {Platz, Melanie and Krieger, M and Niehaus, Engelbert and Winter, K}
}
@conference {934,
	title = {Electronic Proofs in Mathematics Education - A South African Teacher Professional Development (TPD) course informing the conceptualisation of an E-proof System Authoring Support Workshop},
	booktitle = {IST-Africa 2017 Conference Proceedings},
	year = {2017},
	author = {Platz, Melanie and Krieger, M and Winter, K and Niehaus, Engelbert}
}
