000 00349nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a876922108
082 _a1
082 _b642 YO
100 _a"Yourdon, Edward et.al."
245 0 _aLearning To Program In S
260 _aNew Delhi
260 _bPHI
260 _c1982
300 _aviii-478
999 _c26686
_d26686