TY  - BOOK
AU  - Chepinoga OP
AU  - Halperin Y
TI  - Biological role of nucleic acids
U1  - 547.596 
PY  - 1962///
CY  - Washington
PB  - National Science Foundation
KW  - Heterocyclic compounds
KW  - Nucleic acids
N1  - Translated from Russian
ER  -