@misc{_test_12.2018[20181201~20181231],
 howpublished={online},
 year={12.2018[20181201~20181231]},
 year={2018.10[20180914~20181031]},
 year={1 poł. XXw[19070101~19441231]},
 title={test},
 title={test},
 type={Czasopismo},
}