Osłonki - Neolithic sttlement with with longhouses and graves belonged to the inhabitants of Stroke-Ornamented Pottery (STK).
See:
- Peter Bogucki, Archaeological Research at Oslonki, Poland -http://www.princeton.edu/~bogucki/oslonki.html
- https://www.nid.pl/upload/iblock/7bf/7bf44f598ad2b4a09cecc03665463f02.pdf