@article{55110,
      author = {Haldane, J. B. S.},
      url = {http://library.usi.edu/record/55110},
      title = {Possible worlds, and other papers.},
      publisher = {Books for Libraries Press},
      recid = {55110},
      pages = {viii, 305 p.},
      address = {Freeport, N.Y.,},
      year = {1971},
}