TY - JOUR N2 - They are a vital source of information about the glaciations that covered significant areas of Poland in the Pleistocene. They intrigue not only scientists, but also geotourists. So why do glacial erratics so frequently end up vandalized? L1 - http://www.journals.pan.pl/Content/112693/PDF/068-069%20gorska_ang.pdf L2 - http://www.journals.pan.pl/Content/112693 PY - 2016 IS - Nr 1 (45) Interventions EP - 69 KW - glacial erratic boulders in Poland A1 - Górska-Zabielska, Maria PB - Polish Academy of Sciences DA - 31.03.2016 T1 - Erratic disappearances SP - 68 UR - http://www.journals.pan.pl/dlibra/publication/edition/112693 T2 - ACADEMIA. The magazine of the Polish Academy of Sciences ER -