000
00255nam a2200109 4500
008
160616s 000 0
245
_a
Noneuclidean geometry
100
_a
Meschkowski, Herbert
500
_a
B6M K4
942
_c
BK
_2
BK3396
080
_a
514.144 MES
999
_c
3396
_d
3396