000
00300nam a2200121Ia 4500
008
220201s1969 xx 000 0 eng d
082
_a
620.3
100
_a
Schenck, Hilbert
245
3
_a
An Introduction to the engineering
260
_b
Newyork:Mc graw hill co
_c
1969
300
_a
178
942
_2
ddc
999
_c
75595
_d
75595