By David Hodges
By Bowler, Michael
By Brockington, John
By Sir James Jeans
By Kennedy, Barbara M., Bell, David
By Jean Walrand
By Ron Larson (The Pennsylvania State University, The Behrend College)
By M. V. Berry, I. C. Percival, N. O. Weiss
By A. G. Hamilton
By Spier, Raymond E. Spier
By Theo Hahn
By Sarfaraz K. Niazi (Pharmaceutical Scientist Inc., Deerfield, Illinois, USA)
By James Swarbrick (PharmaceuTech, Inc, Pinehurst, North Carolina, USA), James C. Boylan (University of North Carolina, Chapel Hill, )
By Peter Altman
By Kaye, George William C., Laby, T.H., Gillham, E J, Herington, E.F.G., Rose, B., Bailey, A.E., etc.
By Gethin Morgan Lewis, G.A. Wheatley
By A.James Diefenderfer