000 00453nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a681.142
_bW727
100 _aWilliams S B
245 _aDigital computing systems
260 _aLondon
_bMcGraw-Hill
_c1959
300 _ax,229p.
440 _aMcGraw-Hill series in information processing & computers
650 _aDigital computers
942 _cBK
999 _c41126
_d41126