Table of contents
Bulg. J. Phys. vol. 39 no. 4 (2012)

Importance of Symmetries in the Similarity Renormalization Group Approach
K.D. Launey, T. Dytrych, J.P. Draayer
pp. 271-281, [abs, pdf]
Charge-Transfer Excitons in a Two-Dimensional Quadratic Lattice
I.J. Lalov, I. Zhelyazkov
pp. 282-296, [abs, pdf]
Study of Nanocomposite Layers Based on Polymer and Nanodiamond Particles: New Materials for Medical Implants
T. Hikov, L. Pramatarova, N. Krasteva, E. Radeva, P. Petrik, E. Agocs, E. Pecheva, R. Presker, O. Sabotinov
pp. 297-308, [abs, pdf]
Spectral Reflectance Technique in Environmental Studies
D. Krezhova
pp. 309-322, [abs, pdf]
A Statistical Study between Sunspot Area and Geomagnetic Field over a Period of Ten Years
R. Ali, M. Chakraborty, A. Guha, B.K. De
pp. 323-330, [abs, pdf]
Spacetimes Admitting M-Projective Curvature Tensor
U.C. De, S. Mallick
pp. 331-338, [abs, pdf]
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