000 00345nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.78E+12
082 _a5
082 _bROP
100 _a"Roper, Paul"
245 0 _aMachine Code Games Routi
260 _aLondon
260 _bBritish Library
260 _c1984
300 _a"vii, 173"
999 _c30519
_d30519