@misc{155596,
  author = {N Drouin},
  title = {Building Hadamard Matrices in Steps of 4 to Order 200},
  year = {1993},
  month = {1993-04-01},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}