#### Table of contents

Bulg. J. Phys. vol. **26** no. 3-4 (1999)

**Quantum Nonsymmetric Gravity Geometric Commutation Relations**

N. Mebarki, A. Maireche

pp. 097-108, [abs, pdf]

**Symmetric Anomalous Statistics and Two-State Paramagnetism**

C. Wolf

pp. 109-114, [abs, pdf]

**Large Angles Measurements by Laser Interferometer**

S. Shurulinkov, Y. Sarov, S. Sainov

pp. 115-121, [abs, pdf]

**Laser Refractometer**

Y. Sarov

pp. 122-128, [abs, pdf]

**Laser Refractometer with an Interferometric Angle-Measurement Device**

S. Shurulinkov, L. Nedeltchev, S. Sainov

pp. 129-135, [abs, pdf]

**Revealing of Large Linear Errors from Orbit Measurements**

D. Dinev

pp. 136-147, [abs, pdf]

**Numerical Model of Low-Current Negative Glow Helium Plasma**

D.A. Guenov, A.B. Blagoev

pp. 148-156, [abs, pdf]

**Ellipsometric Investigation of Solid Supported Thin Liquid Films of Lipids**

A. Paneva, M. Karabaliev, V. Kochev

pp. 157-164, [abs, pdf]

**The Efficiency of Laser Radiation Absorption by Hemoglobin and Oxyhemoglobin in the Skin Blood Vessels**

M. Asimov, R. Asimov, A. Gisbrecht

pp. 165-171, [abs, pdf]

**Floating Potential and Electric Field Measurement by a Spherical Ion Analyzers**

G.A. Stanev, S.C. Chapkunov, N.G. Bankov, G.L. Gdalevich

pp. 172-180, [abs, pdf]

**UBVR Survey of the Bright Red Stars in the Field of the Galaxy M33**

T.B. Georgiev, B.I. Bilkina

pp. 181-192, [abs, pdf]