000 00332 a2200145 4500
082 _a003
_bOp2s
100 _aBeishon, John
245 1 _aSYSTEMS
260 _aMilton Keynes
_bOpen University
_c1977
300 _a64
440 _aTechnology Foundation Course
_vT 100
650 _aSystem
964 _gCIRC
997 _aA68238 C
999 _c463740
_d463740