000
00307nam a2200121Ia 4500
001
114140
008
170722s9999 xx 000 0 und d
100
_a
Allen, Francis R.
245
_a
Technology and social change /
260
_c
1957.
490
_a
Appleton century crafts sociology series
942
_c
GEN
999
_c
80266
_d
80266