{"id":"001169700","type":"book","title":"W siedemdziesięciolecie urodzin Profesora Witolda Hensla","publisher-place":"Pozna","pages":"4-7","container-title":"Folia Praehistorica Posnaniensia, 4 (1991","author":[{"family":"Żak","given":"Jan 1923-1990"}],"issued":{"raw":"1991"}}