000
00292nam a2200121Ia 4500
008
170101s1956 xx 000 0 und d
082
_a
808 J51C
100
_a
JOHNSON, R. I
245
0
_a
Communication: handling ideas effectively
260
_b
N. Y
_c
1956
300
_a
x,361p
942
_2
ddc
_c
B
999
_c
7948
_d
7948