000
00317nam a2200133Ia 4500
008
210901s1960 xx 000 0 eng d
082
_a
620 THR
100
_a
Throm, Edward. L.
245
4
_a
The Boy Engineering
260
_a
New York
_b
Golden Press
_c
1960
300
_a
248
650
_a
Engineering
942
_2
ddc
_c
BK
999
_c
4551
_d
4551