{"id":"000027171","type":"book","title":"Lodestone compass: Chinese or Olmec primacy: multidisciplinary analysis of an Olmec hematite artifact from San Lorenzo, Veracruz, Mexico.- Washington, D.C","container-title":"Science; 189.1975, no.4205, S. 753-760: 4 Ill.; 1 Kt","author":[{"family":"Carlson","given":"John B."}],"issued":{"raw":"1975"}}