{"id":"000030584","type":"book","title":"The role of impulses in the process of periglacial soil structure formation.- Wroclaw","container-title":"International Association for Quaternary Research <7, 1965, Boulder ; Denver-CO> : international congress. - 24 S. : Ill. ; Taf","author":[{"family":"Jahn","given":"Alfred"}],"issued":{"raw":"1965"}}