000
00269nam a2200109 4500
008
160616s 000 0
245
_a
Geometrical construction using compasses only
100
_a
Kostovskii, A.N
500
_a
B6 K1
942
_c
BK
_2
BK2660
080
_a
514 KOS
999
_c
2660
_d
2660