000 00286nam a22001217a 4500
082 _a940.54
_bOBR
_cD
100 _aTrrench H.O Brien
245 _aCivil Defence
260 _aLondon :
_bHer Majesty's Stationary Office,
_c1955.
300 _axvii, 729 p. :
650 _aMCE
942 _cBK
999 _c12408
_d12408