{"id":"000999182","type":"book","title":"The pyrotechnology of pine tar and pitch inferred from quantitative analyses by gas chromatography-mass spectrometry and carbon-13 nuclear magnetic resonance spectrometry","publisher":"Państwowe Muzeum Archeologiczne, Warszawa","publisher-place":"Warszawa","pages":"183-192","container-title":"Proceedings of the First International Symposium on Wood Tar and Pitch. Held by the Biskupin Museum (Dept. of the State Archaeological Museum in Warsaw) and the Museumsdorf Düppel (Berlin) at Biskupin Museum, Poland, july 1st-4th 1993","author":[{"family":"Beck","given":"Curt W. 1927-2008."}],"issued":{"raw":"1997"}}