{"id":"003008542","type":"book","title":"From Free to Fee?","publisher":"University of Michigan Press","publisher-place":"Ann Arbor","pages":"253-273","container-title":"Law and transaction costs in the ancient economy / | ISSN: 9780472119608 (hardcover : alk. paper","author":[{"family":"Haensch","given":"Rudolf"}],"issued":{"raw":"2015"}}