@article{28433,
      author = {Calder, Ritchie,},
      url = {http://library.usi.edu/record/28433},
      title = {The evolution of the machine.},
      publisher = {American Heritage Pub. Co.; book trade and institutional  distribution by Van Nostrand},
      recid = {28433},
      pages = {160 p.},
      address = {[New York]},
      year = {1968},
}