By Matthews, Phillip
By Scott, Jonathan
By Lindemann, Mary
By Postgate, John
By Zaidman, Louise Bruit
By Zahn-Waxler/Cummings/Iann
By Lave, Jean
By DeWitt, Bryce
By Stopford, John M.
By Sinclair, R. K.
By School Mathematics Project
By McCarthy, Michael, O'Dell, Felicity
By Brown, Keith, Keith Brown
By Crystal, David
By Whittington, Geoffrey
By McCleary, John
By Thomson, Peter, Sacks, Glendyr
By Vaganay/Amphoux
By Counsell, Christine, Steer, Chris
By Ritter, Mary A.
By Shakespeare, WILLIAM, Morris, Jonathan, Smith, Robert
By Floud, Roderick, McCloskey, Donald
By Hausman
By Lindop, Christine, Fisher, Dominic
By Bill Pease-Watkin, John Greenway
By Sinclair, Barbara
By Good, Byron J.
By Lamy, Marie-Noƫlle, Marie-Noklle Lamy