@article{257307,
      author = {Dudeney, Henry Ernest, and Gardner, Martin,},
      url = {http://library.usi.edu/record/257307},
      title = {536 puzzles & curious problems.},
      publisher = {Scribner},
      recid = {257307},
      pages = {xii, 428 p.},
      address = {New York,},
      year = {1967},
}