TY - BOOK ID - 128162014 TI - Structural defence. PY - 1939 PB - London : His Majesty's stationery office, DB - UniCat KW - Air raid shelters KW - Explosives, Military. KW - Air defenses KW - Projectiles, Aerial. UR - https://www.unicat.be/uniCat?func=search&query=sysid:128162014 AB - ER -