000 00285nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a519.4 C678
100 _aCOHEN.D.E
245 0 _aCOMPUTABILITY AND LOGIC
260 _aNEW YORK
_bWiley
_c1987
300 _a25X17
942 _cBK
_2DDC
999 _c22006
_d22006