000 00287nmm a2200097Ia 4500
008 220120s9999||||xx |||||||||||||||||und||
020 _a978-81-312-0726-0
100 _aDigit
245 0 _aDigit, Feb.2017; MIT open courseware, internet 101'CES 2017
260 _aNine dot Nine
_bSan Francisco
999 _c140026
_d140026