000 00450nam a2200169Ia 4500
003 LDD
008 181029s9999 xx 000 0 und d
020 _a335026303
040 _cLDD
100 _aCameron, Sheila
245 0 _aSystem approaches
_cSheila Cameron
260 _aMilton Keynes
_bOpen University
_c1983
300 _a83
440 _aTechnology : a second level course
_v Module 8 (T241)
901 _a1306
_b12-03-1998
942 _2ddc
_cBK
999 _c18723
_d18723