@misc{permanent+shm+for+historical+kosciuszko+mound+in+cracow+and+the+possibility+of+its+improvement,
    author = {Sienko, Rafal i Howiacki, Tomasz i Maslak, Mariusz i Pazdanowski, Michal},
    title = {Permanent SHM for historical Kosciuszko Mound in Cracow and the possibility of its improvement}
}