H. Mori S. Iwamoto andY. Tamura, "Relationship Between Voltage Instability
and Multiple Load FLow Solutions in Electric Power Systems," IEEE
Trans. on Power Systems and Apparatus, Vol. 102, No.5, pp. 1115- 1125,
May1983
J. Degawa,
H. Mori, S. Iwamoto and Y. Tamura, ”A New Approach to Bad Data Detection and
Suppression in Static State Estimation,” Trans. on IEE of Japan, Part B, Feb..
1984.