3 статьи с Taylor & Francis

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Помогите, пожалуйста, добыть статьи:
1) Richard Laverya & Heinz Sklenarb. Defining the Structure of Irregular Nucleic Acids: Conventions and Principles
// Journal of Biomolecular Structure and Dynamics, Volume 6, Issue 4, 1989 , pages 655-667, DOI:10.1080/07391102.1989.10507728

DOI:

http://dx.doi.org/10.1080/07391102.1989.10507728

2) Richard Laverya, Heinz Sklenarb, Krystyna Zakrzewskaa & Bernard Pullmana
The Flexibility of the Nucleic Acids: (II) The Calculation of Internal Energy and Applications to Mononucleotide Repeat DNA
// Journal of Biomolecular Structure and Dynamics, Volume 3, Issue 5, 1986, pages 989-1014, DOI:10.1080/07391102.1986.10508478

DOI:

http://dx.doi.org/10.1080/07391102.1986.10508478

3) Richard Laverya & Heinz Sklenarb
The Definition of Generalized Helicoidal Parameters and of Axis Curvature for Irregular Nucleic Acids
// Journal of Biomolecular Structure and Dynamics, Volume 6, Issue 1, 1988, pages 63-91, DOI:10.1080/07391102.1988.10506483

DOI:

http://dx.doi.org/10.1080/07391102.1988.10506483

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