@article{ETD,
      school = {Ph.D.},
      author = {Khalil, Mohammad A.K. and },
      url = {http://digitalcollections.ohsu.edu/record/51},
      title = {Topics in the behaviour of atmospheric trace gases},
      publisher = {Oregon Graduate Center},
      number = {ETD},
      doi = {https://doi.org/10.6083/M4D21VHP},
      recid = {51},
      address = {1979},
}