ماخذ: Per Nørgård. The 64 states of being should be thought of as an eternal, hidden cycle which lies behind everything that we do. PERC.
ترجمه: میانگین پستها در طول Nørgård. The states of being exist on all levels - the official, the private etc. I اعظم. نت موسیقی. دق. 1982.
