1. H. Yamakawa, Modern Theory of Polymer Solutions, Harper (1972), electronic version (2001). p. 55.
2. Zur theorie der statistischen molekülgestalt hochpolymerer kettenmoleküle unter berücksichtigung der behinderung der freien drehbarkeit;Oka;Proc. Phys. Math. Soc. Jpn.,1942
3. The resultant electric moment of complex molecules;Eyring;Phys. Rev.,1932
4. Overstretching B-DNA: the elastic response of individual double-stranded and single-stranded DNA molecules;Smith;Science,1996
5. Stretching DNA with optical tweezers;Wang;Biophys. J.,1997