Cordula von Heyl. Was ist Teachware?. it - Information Technology, 19(1):25-29, 1977.
@article{Heyl77,
title = {Was ist Teachware?},
author = {Cordula von Heyl},
year = {1977},
researchr = {https://researchr.org/publication/Heyl77},
cites = {0},
citedby = {0},
journal = {it - Information Technology},
volume = {19},
number = {1},
pages = {25-29},
}