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About The Authors

Pavels Narica
http://lazers.rta.lv/

Rezekne Academy of Technologies
Latvia

Lyubomir Lazov
Rezekne Academy of Technologies
Bulgaria

Artis Teilans
Rezekne Academy of Technologies
Latvia

Peteris Grabusts
Rezekne Academy of Technologies
Latvia

Edmunds Teirumnieks
Rezekne Academy of Technologies
Latvia

Pavels Cacivkins
Rezekne Academy of Technologies
Latvia

ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference