000
002690000a22001210004500
008
160429b1951 xxu||||| |||| 00| 0 eng d
041
_a
eng
080
_a
620
_b
L4
942
_c
BK
100
_a
Leach, H.W.
245
_a
Elementary problems in engineering
260
_c
1951
999
_c
8367
_d
8367