000 00414pam a2200133a 44500
008 140414b1990 xxu||||| |||| 00| 0 eng d
082 _aR-620.004
_bJOH
110 _aThe Open University
245 _aComputer Aided Design
_c
260 _aLondon
_bThe Open University
_c1990
650 _aELECTRONIC DIGITAL COMPUTERS --COMPUTER-AIDED DESIGN
690 _aELECTRONICS AND COMMUNICATION ENGINEERING
906 _a36398
999 _c34587
_d34587