@misc
{TN_libero_mab2,
author = {
Klahr, David
},
title = {
What do we mean? On the importance of not abandoning scientific rigor when talking about science education
},
publisher = {Proceedings of the National Academy of Sciences},
isbn = {0027-8424},
isbn = {1091-6490},
year = {2013},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}