@article{ETD,
      school = {Ph.D.},
      author = {Hansen, David M. and },
      url = {http://digitalcollections.ohsu.edu/record/293},
      title = {An object oriented heterogeneous database architecture},
      publisher = {Oregon Graduate Institute of Science and Technology},
      number = {ETD},
      doi = {https://doi.org/10.6083/M44B2Z8F},
      recid = {293},
      address = {1995},
}