Second international symposium on nucleic acids chemistry : twentieth symposium on nucleic acids chemistry : symposium organisers: Eiko Ohtsuka and Akira Matsuda.
International Symposium on Nucleic Acids Chemistry(2nd :1993 :Sapporo, Japan)
Ohtsuka, Eiko.
Matsuda, Akira.
Symposium on Nucleic Acids Chemistry(20th :1993 :Sapporo, Japan)
Oxford : IRL Press,
c1993.