@Article{221659, author = "Andrzej Grzymkowski, Jerzy Okulicz-Kozaryn", title = "SÅ‚upsk, woj. ciechanowskie, St. 4, AZP: 40-61/4 ", year = 1989, volume = 23, number = , journal = Informator Archeologiczny : badania, pages = s. 56-57, }