000 00238nam a2200097Ia 4500
008 230213s9999 xx 000 0 und d
020 _a9781854862624
100 _aASTBURY, GRAHAM
_9175939
245 0 _aTHREE-PHASE CONVERSION
942 _cBK
_w561
_xJohn Tresidder
_y561
_zJohn Tresidder
999 _c744302
_d744301