1.
Putāns H, Zagorska V, Ziemelis I, Jesko Z. Research On Solar Energy Collector With Cell Polycarbonate Absorber. ETR [Internet]. 2015 Aug. 5 [cited 2024 Dec. 2];1:213-9. Available from: https://journals23.rta.lv/index.php/ETR/article/view/914