000
00273nam a2200109Ia 45e0
008
181001s1975 xx 000 0 und d
100
_a
Singer
245
0
_a
Engineering mechanics
260
_a
Delhi
_b
Khanna pub.
_c
1975
300
_a
731
942
_2
ddc
_c
BK
999
_c
2720
_d
2720