@article{16550,
      author = {Van Valkenburg, M. E.},
      url = {http://library.usi.edu/record/16550},
      title = {Network analysis},
      publisher = {Prentice-Hall},
      recid = {16550},
      pages = {xv, 571 p.},
      address = {Englewood Cliffs, N.J.,},
      year = {1974},
}