{"id":"001251165","type":"book","title":"A problem of the bullet shaped cores. A global perspective. (Problem rdzeni stożkowatych. Perspektywa globalna)","pages":"229-242","container-title":"Światowit, Nowa Seria, 4(45,B) (2002","author":[{"family":"Szymczak","given":"Karol."}],"issued":{"raw":"2002"}}