000
002590000a22001210004500
080
_a
511
_b
C6
100
_a
Clapham, C.B.
245
_a
Arithmatic of engineers
250
_a
2nd ed.
260
_a
London
_b
Chapman & Hall
_c
1919
300
_a
465p.
942
_c
BK
999
_c
53133
_d
53133