000
002690000a22001210004500
080
_a
51:621.7
_b
S6
100
_a
Slade, Samuel
245
_a
Essentials of shop mathematics
260
_a
New York
_b
Wiley
_c
1941
300
_a
194p.
700
_a
Margolis, L.
942
_c
BK
999
_c
53111
_d
53111