Birshtein T. m., Ptitsyn, . (1966). Conformations of macromolecules. New York: Wiley.
Birshtein T m, Ptitsyn, . 1966. Conformations of macromolecules. New York: Wiley.
Birshtein T m, Ptitsyn, . Conformations of macromolecules. New York: Wiley. 1966.