LEADER 00487cam a1100169 k 4500 001 20170300000001352 005 20170324164005 008 030409s1975 ulk 000a kor 085 $a75-1-03 090 $6093-01$a75-103 093 0 $6090-01$aUM0000001475$xU$y01 245 $a우방국의 민방위 실태고찰 (1975.3)$d강대식. 250 $a01 판 260 $a서울:$b國土統一院$c1975. 300 $c26 506 $a일반 856 4 $ahttps://lib.uniedu.go.kr/libeka/elec/00063909.pdf