@misc
{TN_libero_mab2,
author = {
Hacker, Hartmut
},
title = {
Anmerkungen zu einer Didaktik des Schulbuchs
},
publisher = {Vandenhoeck & Ruprecht GmbH & Co, KG},
isbn = {0006-2456},
keywords = {
General Earth and Planetary Sciences
,
General Environmental Science
},
year = {1980},
}