000 00321nam a2200121Ia 4500
001 123232
008 170722s9999 xx 000 0 und d
100 _aOpen University Course Team
245 _aComputing 2V Units 8 1970 Unit 20 1970 /
260 _bOpen University Press
_c1970
300 _a50 60
_c29 cm.
942 _cGEN
999 _c9000
_d9000