A. P. Johnson

Successfully producing elemental chlorine-free pulp in the Americas now and in the future

D. W. Herschmiller, A. P. Johnson, R. E. Trepte, 1996 .

An Enhanced LQ Adaptive VAR Unit Controller for Power System Damping

J. R. Smith, J. F. Hauer, D. A. Pierre, 1989, IEEE Power Engineering Review.