@article{1382016,
      author = {Graca, Laura da, and Zingarelli, Andrea Paula, and  Astarita, Carlos,},
      url = {http://library.usi.edu/record/1382016},
      title = {Studies on pre-capitalist modes of production /},
      recid = {1382016},
      pages = {1 online resource (332 pages).},
}