@article{13532,
      recid = {13532},
      author = {Hertzberg, Martin.},
      title = {The flammability of coal dust-air mixtures : lean limits,  flame temperatures, ignition energies, and particle size  effects /},
      publisher = {Dept. of the Interior, Bureau of Mines,},
      address = {[Washington] :},
      pages = {70 p. :},
      year = {1979},
      url = {http://library.usi.edu/record/13532},
}