000
00269nam a2200109Ia 4500
008
170101s1961 xx 000 0 und d
082
_a
620.72 S19T
100
_a
SCHENCK, Hilbert
245
0
_a
Theories of engineering experimentation
260
_c
1961
942
_2
ddc
_c
B
999
_c
15982
_d
15982