@article{15780,
      author = {Lesley, Robert Whitman,},
      url = {http://library.usi.edu/record/15780},
      title = {History of the Portland cement industry in the United  States.},
      publisher = {Arno Press,},
      recid = {15780},
      pages = {330 p.},
      address = {New York,},
      year = {1972},
}