@article{20682,
      recid = {20682},
      author = {Harvey, Richard D. and Fraser, Gordon S., and Baxter,  James W.},
      title = {Properties of carbonate rocks affecting soundness of  aggregate : a progress report /},
      publisher = {Illinois State Geological Survey,},
      address = {Urbana :},
      pages = {20 p. :},
      year = {1974},
      note = {Cover title.},
      url = {http://library.usi.edu/record/20682},
}