000
00285nam a22001337a 4500
020
_a
NA
082
_2
22
_a
621.815
100
_a
Spotts M.F
245
_a
Design of machne elements /
250
_a
4th
260
_a
PH,
_b
PH
_c
c1971
300
_a
620 p, ;
_b
NA
_c
24cm.
942
_2
ddc
_c
CIVIL
999
_c
3440
_d
3440