@article{763628,
      author = {Koelsch, George.},
      url = {http://library.usi.edu/record/763628},
      title = {Requirements writing for system engineering [electronic  resource] /},
      publisher = {Apress,},
      recid = {763628},
      pages = {1 online resource (409 pages)},
      address = {Berkeley, CA :},
      year = {2016},
}