DOI reference:
https://doi.org/10.1109/MPER.1982.5519462
Published on paper: September 1982.
Citation:
G.C. Verghese, I.J. Pérez-Arriaga, F.C. Schweppe, "Selective modal analysis with applications to electric power systems, Part II: the dynamic stability problem", IEEE Power Engineering Review, Vol. PER-2, nº. 9, pp. 30 - 31, September 1982. doi: 10.1109/MPER.1982.5519462