000
002570000a22001210004500
008
160512b1948 xxu||||| |||| 00| 0 eng d
041
_a
eng
080
_a
926.2
_b
W3
942
_c
BK
100
_a
Walton, J.
245
_a
Seven civil engineers
260
_c
1948
999
_c
9071
_d
9071