Spassov V. and  Bashford D.,  Multiple-site Ligand Binding to Flexible Macromolecules: Separation of Global and Local Conformational Change and an Iterative Clustering Approach, J. Comp. Chemistry  20  (1999)  1091-1111.

Mladenov I. and Tsanov V.,  Reduction in Stages and Complete Quantization of the MIC-Kepler Problem,  J. Phys. A: Math. & Gen. 32  (1999)  3779-3791.

Mladenov I.,   Generalization of Goursat Transformation of the Minimal Surfaces,  C. R. Bulg. Acad. Sci.  52  (1999)  23-26.

Dumanova L. and Neitchev V.,  Structural Studies on the New Castle Diseasev Virus Membrane Protein by Circular Dichroism Method, 
Anal. Lab. 7  (1999)  197-200.

Ivanov I.,  Todorova R. and Zlatanov I.,   Spectrofluorimetric and Microcalorimetric Study of the Thermal Poration Event Relevant to the Thermohemolysis Mechanism,  Int. J. Hiperthemia  15 (1999)  29-43.

Angelov B.,  Ollivon M.  and  Angelova A.,   X-ray Diffraction Study of the Effect of the Detergent Octyl Glucoside on the Structure of Lamellar and Nonlamellar Lipid/Water Phases of Use for Membrane Protein Reconstitution,   Langmuir  15  (1999)  8225-8234.

Sakaguchi H.,  Yoshimura T.  and  Tzoneva R.,   Method of Solidification of Low Boiling Organic Compounds and Method of Reproducing of Them,  Application for Japanese Patent, 1999/08/10, No 220000390.