1. Atkinson T, Smith M (1984) Gait MJ (ed), Oligonucleotide Synthesis. A Practical Approach, IRL, p 35
2. Beaucage SL Caruthers MH (1981) Tetrahedron Lea 22: 1859–62
3. Brown JM (1985) PhD Thesis, University of London.
4. Brown JM, Christodoulou C, Modak AS, Reese CB, Serafinowska HT (1989) J Chem Soc Perkin Trans I in the press.
5. Chattopadhyaya JB, Reese CB (1978) J Chem Soc Chem Commun 639–640