@article{216134,
      note = {Cover title.},
      author = {Desborough, George A. and Crock, J. G.},
      url = {http://library.usi.edu/record/216134},
      title = {Cu, Zn, and Pb exchange capacities of clinoptilolite-rich  rocks in low Ca and low K acidic water /},
      publisher = {U.S. Geological Survey,},
      recid = {216134},
      pages = {8 leaves :},
      address = {[Denver, CO] :},
      year = {1997},
}