@ARTICLE{
author={Novita M,Dwi Ujiant RM,Marlina D,Brik Mikhail G,Piskunov S,Konuhova M,Popov AI,Piasecki M},
year={2026},
title={Metal and Rare Earth Elements in Lapindo Mudflow Sediments: Environmental Impact and Economic Significance},
journal={LATVIAN JOURNAL OF PHYSICS AND TECHNICAL SCIENCES},
volume={63},
number={5},
pages={3-18},
document_type={Article},
} 

@ARTICLE{
author={Ulmane Mironova N,Brik Mikhail G,Grube J,Krieke G,Kemere M,Antuzevics A,Gabrusenoks E,Skvortsova V,Elsts E,Sarakovskis A,Piasecki Michal,Popov AI},
year={2022},
title={EPR, optical and thermometric studies of Cr3+ions in the alpha-Al2O3 synthetic},
journal={OPTICAL MATERIALS},
volume={132},
number={},
pages={-},
document_type={Article},
}