By J. Wiener
By N. Khan
By B. Danner
By B. Josiah
By P. Rieder
By R. Hogg
By V. Seidler
By Kenneth A. Loparo
By Professor Jeremy Black
By B. Bennett, J. Hodge
By J. Sramek
By J. Laite
By A. Milne-Smith
By R. Friedeburg
By S. Mars
By Dr John D. Cotts (Whitman College, USA)