+++4 статьи SD Огромное спасибо, macro!!!

[spice_kot]

Помогите, пожалуйста! Нужны 4 статьи издательства Эльзевир

1. G. Blasse, G. J. Dirksen and A. Meijerink
The luminescence of ytterbium(II) in strontium tetraborate
Chemical Physics Letters
Volume 167, Issues 1-2, 16 March 1990, Pages 41-44

DOI:

http://dx.doi.org/10.1016/0009-2614(90)85067-M

2. J. Rubio O.
Doubly-valent rare-earth ions in halide crystals
Journal of Physics and Chemistry of Solids
Volume 52, Issue 1, 1991, Pages 101-174

DOI:

http://dx.doi.org/10.1016/0022-3697(91)90062-5

3. Robert L. Fuller and Donald S. McClure
Determination of photoionization rates of divalent samarium doped in alkaline earth fluorides
Journal of Luminescence
Volume 45, Issues 1-6, January-February 1990, Pages 354-356

DOI:

http://dx.doi.org/10.1016/0022-2313(90)90192-E

4. E. W. Henderson and J. P. Meehan
Optical properties of divalent rare earth ions in SrAlF5
Journal of Luminescence
Volume 8, Issue 5, March 1974, Pages 415-427

DOI:

http://dx.doi.org/10.1016/0022-2313(74)90082-9

Заранее премного благодарен!

[macro]