1. Abe, E.: Hopf Algebras. Cambridge University Press 1977.
2. Alvarez-Gaumé, L. Gomez, C. Sierra, G.: Duality and Quantum Groups. CERN preprint. TH. 5369/89.
3. Burroughs, N.J.: The Universal R-matrix for U Q si (3) and Beyond! DAMTP/R-89/4. CMP to be published.
4. Burroughs, N.J.: Relating the approaches to Quantised Algebras and Quantum Groups. DAMTP/R-89/11. CMP to be published.
5. Burroughs, N.: In preparation.