000 002770000a22001210004500
245 _aIntroduction to digital computer design
100 _aWoollons, D.J.
260 _aLondon
_bMcGraw Hill
_c1972
300 _a238 p.
080 _a681.32
_bW6
041 _aEN
942 _cBK
999 _c105107
_d105107