1. [5] Hamilton A. G. , Mathematical structures and recursive equivalence. D. Phil. thesis, (Oxford (1969)).
2. Bases and α-dimensions of countable vector spaces with recursive operations;Hamilton;J. Symb. Logic,1970
3. Countable vector spaces with recursive operations Part I1
4. On certain vector spaces of isolic dimension, Part 1;Dekker;J. Symb. Logic,1968
5. Recursive equivalence types;Dekker;Univ. Calif. Publs. in Math.,1960