000
00284nam a2200121Ia 4500
008
220201s1971 xx 000 0 eng d
082
_a
658
_b
DReference U
100
_a
Drucker,P.F.
245
0
_a
Age of Discontinuity
260
_b
Pan Book Ltd
_c
1971
300
_a
476
942
_2
ddc
_0
2
999
_c
3397
_d
3397