{"id":"000030528","type":"book","title":"Los Tapiales : a paleo-indian campsite in the Guatemalan Highlands. - Philadelphia, PA","container-title":"American Philosophical Society <Philadelphia-PA> : proceedings ; 21.1977, no. 3, S. 235-273 : zahlr. Ill","author":[{"family":"Gruhn","given":"Ruth"}],"issued":{"raw":"1977"}}