000
00267nam a2200121Ia 4500
001
120464
008
170722s9999 xx 000 0 und d
100
_a
Hull, Te
245
_a
Computers and problem solving /
260
_c
1970.
700
_a
Day, Ddf
942
_c
GEN
999
_c
78932
_d
78932