000
00268nam a22001334a 4500
082
_a
510.83
084
_2
Colon Classification
100
_a
Pearson,Karl
245
1
_a
Tracts for Computers
250
_a
1923.
260
_c
1923.
300
_a
23p.:
942
_c
BK
999
_c
523248
_d
523248