00649nam2 22002171i 450 990002296340403321000229634FED01000229634(Aleph)000229634FED0100022963420030801d--------km-y0itay50------baElectrons in nucleic acids and their constituents. Berlin, 1970, p. 1-30.001000220627Pullman,Bernard50023ITUNINARICAUNIMARCBK990002296340403321FFABCElectrons in nucleic acids and their constituents. Berlin, 1970, p. 1-30387130UNINAING01