@article{63595,
      author = {Layde, Durward C.},
      url = {http://library.usi.edu/record/63595},
      title = {Introduction to qualitative analysis.},
      publisher = {Allyn and Bacon,},
      recid = {63595},
      pages = {350 p.},
      address = {Boston,},
      year = {1961},
}