{"id":"001030835","type":"book","title":"Pollenanalytische Untersuchungen","publisher":"Stämpfli","publisher-place":"Bern","pages":"84-87","container-title":"Birsmatten-Basisgrotte : Eine mittelsteinzeitliche Fundstelle im unteren Birstal","author":[{"family":"Müller","given":"Ernst"}],"issued":{"raw":"1963"}}