By Kurti, Nicholas, Kurti, Giana
By R.L. Weber
By Anthony C. Fischer-Cripps (Fischer-Cripps Laboratories Pty Ltd, Sydney, Australia)
By Alastair I. M. Rae (University of Birmingham, UK)
By Mikio Nakahara (Kinki University, Osaka, Japan)
By Ian D. Lawrie (University of Leeds, UK)
By C Hamlin
By D H Fremlin (University of Birmingham, UK)
By Lenihan, J. M. A., Fleming, J. B.
By Dalton, W.M.
By Roy, A. E., Clarke, D.
By Smital
By Fleming, Stuart J.
By Patrick Moore
By R Naeye
By Harvey S. Leff, Andrew F. Rex
By Cvitanovic, Predrag
By May, Leopold
By Watson, Joseph
By Ogborn
By Jackson, T. H.
By Weigert, A., Zimmermann, H.
By Wilmshurst, T.H.