New approach for Finite Difference Method for Thermal Analysis of Passive Solar Systems - Stanko Vl. Shtrakov; Anton Stoilov (CoRR, 2005)

Mathematical Modelling of the Thermal Accumulation in Hot Water Solar Systems - Stanko Vl. Shtrakov; Anton Stoilov (CoRR, 2006)

Finite element method for thermal analysis of concentrating solar receivers - Stanko Vl. Shtrakov; Anton Stoilov (CoRR, 2006)