{"id":"001162900","type":"book","title":"Archaeological trial excavations and detailed geological and soil studies in the area of fossil fields in the Abru forest of the Jalase village during 1992-1993","pages":"426-432","container-title":"Eesti Teaduste Akadeemia Toimetised, 43,4 (1994","author":[{"family":"Heinsalu","given":"Ülo"}],"issued":{"raw":"1994"}}