+++ 3 Статьи с Energy Fuels

[himik06]

Доброго времени суток!
Помогите, пожалуйста, скачать следующие статьи:
1.Tianguang Fan and Jill S. Buckley
Rapid and Accurate SARA Analysis of Medium Gravity Crude Oils
Energy Fuels, 2002, 16 (6), pp 1571–1575

DOI:

http://dx.doi.org/10.1021/ef0201228

2. Narve Aske ,Harald Kallevik and Johan Sjöblom
Determination of Saturate, Aromatic, Resin, and Asphaltenic (SARA) Components in Crude Oils by Means of Infrared and Near-Infrared Spectroscopy
Energy Fuels, 2001, 15 (5), pp 1304–1312

DOI:

http://dx.doi.org/10.1021/ef010088h

3. Abdel M. Kharrat , Jose Zacharia, V. John Cherian and Allwell Anyatonwu
Issues with Comparing SARA Methodologies
Energy Fuels, 2007, 21 (6), pp 3618–3621

DOI:

http://dx.doi.org/10.1021/ef700393a

Заранее большое спасибо!

[himik06]

Премного благодарен!!!