000
00272nam a2200121Ia 4500
008
220201s1997 xx 000 0 eng d
082
_a
621
_b
JOH
100
_a
Johann, P
245
0
_a
Deduction systems
260
_a
Delhi
_b
Sprinager
_c
1997
300
_a
206
942
_2
ddc
999
_c
36874
_d
36874