{"id":"liverpool2018ramp","URL":"https://news.liverpool.ac.uk/?p=79973","type":"webpage","title":"Ancient quarry ramp system may have helped workers build Egypt's Great Pyramids","author":[{"literal":"University of Liverpool"}],"issued":{"date-parts":[[2018]]},"year-text":"2018","container-title":"University of Liverpool News","catalog-key":"SRC0CSMNHZE0ZN5"}