@article{1401285,
      author = {Pichère, Pierre, and Feys, Brigitte, and Serra, Marina  Martín,},
      url = {http://library.usi.edu/record/1401285},
      title = {La ley de los rendimientos decrecientes /},
      recid = {1401285},
      pages = {1 online resource (21 pages).},
}