000 00308nam a22001337a 4500
999 _c4317
_d4317
008 200730b ||||| |||| 00| 0 eng d
110 _aH. M.S.O
_9233
245 1 0 _aPhysical training for codes
_cby HMSO
260 _aLondon
_bHMSO
_c1950
300 _a50 p.
365 _d0.03
650 0 _aCodes
942 _cBK