@misc {TN_libero_mab2,
author
=
{
Hartwig, Gerald W.
}
,
title
=
{
Smallpox in the Sudan
}
,
publisher
=
{
Africana Publishing Corporation
}
,
isbn
=
{
0361-7882
}
,
year
=
{
1981
}
,
url
=
{
http://slubdd.de/katalog?TN_libero_mab2
}
}
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