TY  - BOOK
AU  - Ayad SR
TI  - Techniques of nucleic acid fractionation
U1  - 547.596 
PY  - 1972///
CY  - London
PB  - Wiley-Interscience
KW  - Fused hetero rings
KW  - Heterocyclic compounds
KW  - Nucleic acid
ER  -