000 00415cam a22001097a 4500
008 180718b1971 xxu||||| |||| 00| 0 eng d
082 _aO1307x42 Un3t
245 _aClosed circuit television possible application in the hospital service
_cby Department of Health and Social Security
260 _aLondon
_bHer Majesty's Stationery Office
_c1971
300 _a24p.
700 _aU.K.Department of Health and Social Security
999 _c494065
_d494065