TY  - BOOK
AU  - Ulbricht,T.L.V.
TI  - Purines, Pyrimidines and Nucleotides: and the chemistry of nucleic acids 
PY  - 1964///
CY  - Oxford
PB  - Pergamon Press
KW  - Purines
KW  - Pyrimidines
KW  - Nucleotides
ER  -