By Pople, Stephen
By University of York Science Education Group, Nuffield Curriculum Centre
By England, Nick, Shea, Mary, Mary Shea
By Raitt, Gordon
By Advanced Physics Project for Independent Learning
By Breithaupt, J, Ryan, Lawrie, J Breithaupt
By Wellington, J. J.
By Pollard, Jeremy, Schmit, Adrian, Jeremy Pollard, Adrian Schmit
By Parsons, Richard, Parsons, Richard
By Macdonald, Averil