<•cncul nhcnu* ot kcrogcn v\oluiton procntcd «>n v.,n hoeWlcn \ Ihc mkco>mvc tyotution m„. V-'‘N aTC mdk.ttctl and thc pniKip.il pm-diictN ęcitcTuicti duiuiK that ttntc Rcm diial orąanK m.iMci d«»e> mn c\hihit owilutłim puth i Moditicd allc hv>ot
Zrodlo Tissot A Wotte. 1984