Ku, R.
, Bunten, E.
and Klaus, P.
(1973),
LEAA police equipment survey of 1972 volume I ::the need for standards -- priorities for police equipment, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.IR.73-210
(Accessed October 10, 2024)