1. Bannon,P., Verly,W.: Alkylation of phosphates and stability of phosphate triesters in DNA. Eur. J. Biochem. 31, 103?111 (1972)
2. Bauer,W., Vinograd,J.: The interaction of closed circular DNA with intercalative dyes. I. The super-helix density of SV40 DNA in the presence and absence of dye. J. molecular Biol. 33, 141?171 (1968)
3. Bayley,C.R., Brammer,K.W., Jones,A.S.: The nucleotide sequence in desoxyribonucleic acids. J. chem. Soc. (London) 2, 1903?1907 (1961)
4. Beilsteins Handbuch der Organischen Chemie, Deutsche Chemische Gesellschaft (ed.), 4th ed., Vol. I, p. 342. Berlin: Springer 1929
5. Berwald,Y., Sachs,L.: In vitro transformation of normal cells to tumor cells by carcinogenic hydrocarbons. J. nat. Cancer Inst. 35, 641?661 (1965)