@book
{TN_libero_mab2,
author = {
Halvorson, Michael
},
title = {
Code nation
personal computing and the learn to program movement in America
},
edition = {
First edition
}
,
publisher = {ACM Books},
isbn = {9781450377577},
isbn = {9781450377584},
keywords = {
Personal Computer
},
year = {[2020]},
booktitle = {ACM books ; 32},
address = {
[New York]
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}