000
00324nam a2200121Ia 45e0
008
181001s1957 xx 000 0 und d
100
_a
Shah &Patel
245
0
_a
Theory of machine conservation P- I
250
_a
1957
260
_c
1957
300
_a
568
942
_2
ddc
_c
BK
999
_c
155
_d
155