000
00253nam a2200109 4500
008
160616s 000 0
245
_a
Geometry of incidence
100
_a
Dorwart, Harold L
500
_a
B6:7 K6
942
_c
BK
_2
BK3313
080
_a
517.144 DOR
999
_c
3313
_d
3313