+++2 статьи осталось(2Macromolecules+2Wear)

[Soviya]

Здравствуйте! Помогите, пожалуйста, получить статьи
1.Macromolecules
Vol.41, No.4 (2008), pp 1328–1333
Thermorheological Behavior of Various Long-Chain Branched Polyethylenes
Florian J. Stadler,Joachim Kaschta,and Helmut Münstedt
DOI:

DOI:

http://dx.doi.org/10.1021/ma702367a

2.Macromolecules
Vol.43, No.17 (2010), pp 7341–7350
Thermorheological Behavior of Various Short- and Long-Chain Branched Polyethylenes and Their Correlations with the Molecular Structure
Ute Kessner, Joachim Kaschta, Florian J. Stadler, Ccile S. Le Duff, Xavier Drooghaag and Helmut Mnstedt
DOI:

DOI:

http://dx.doi.org/10.1021/ma100705f

3.Wear
Vol. 194, No. 1-21996), pp. 178-184
Friction and wear mechanisms of a thermoplastic composite GF/PA6 subjected to different thermal histories
Helen C. Y. Cartledge, Caroline Baillie and Yiu-Wing Mai
doi:

DOI:

http://dx.doi.org/10.1016/0043-1648(95)06839-2

4.Wear
Vol. 15, No.11970), pp. 71-78
A relationship between abrasive wear and the cohesive energy of materials
J.P. Giltrowa
doi:

DOI:

http://dx.doi.org/10.1016/0043-1648(70)90187-0

Спасибо

[tyler111]

3 - где DOI ?
1,2

[Soviya]

Спасибо

[eFo]

3, 4

[Soviya]

Большое спасибо