000
00261nam a2200121Ia 4500
008
210310s9999 xx 000 0 und d
040
_c
rty
100
_a
Hill, L.A.
245
0
_a
Techniques of discussion
260
_a
London
300
_a
1980
942
_c
TU
999
_c
238112
_d
238112