Authors
I. Amolina
Riga Technical University, Institute of Civil Engineering and Real Estate Economics, Riga, Latvia
A. Elsts
Ltd “PRO DEV 24” Drustu Str. 1D, Riga
I. Geipele
Riga Technical University, Institute of Civil Engineering and Real Estate Economics, Riga, Latvia
N. Zeltins
Institute of Physical Energetics, Latvia