000
00286nam a22001217a 4500
082
_a
940.54
_b
OBR
_c
D
100
_a
Trrench H.O Brien
245
_a
Civil Defence
260
_a
London :
_b
Her Majesty's Stationary Office,
_c
1955.
300
_a
xvii, 729 p. :
650
_a
MCE
942
_c
BK
999
_c
12408
_d
12408