Natural Gas and Biomethane in the European Road Transport: The Latvian Perspective
Savickis, J., Zemite, L., Zeltins, N., Bode, I., Jansons, L.
Blending Hydrogen With Natural Gas/Biomethane and Transportation in Existing Gas Networks
Zemite, L., Jansons, L., Zeltins, N., Lappuke, S., Bode, I.
Researching and Designing Photovoltaic Microsystems
Hilse, D., Kapała, J., Sztymelski, K., Zeltins, N., Ekmanis, J.