00844naa#a2200229#i#450# EN\\bibl\16445 20250714052655.1 20250626b2025####ek#y0engy0150####ca RU COMPARISON OF CALIBRATION RESULTS OF PHOTOACOUSTIC GAS ANALYZERS BASED ON CO2 LASERS Conference article/thesis Tomsk V.E. Zuev Institute of Atmospheric Optics, Siberian Branch of the Russian Academy of Sciences 2025 3 с. Физика. 03.04.02 local Conference article/thesis local Применение оптики в целом. 535.8 Физика. 223 bbk Физика. 613 tbk Оптика. 29.31 grnti Ageev B. G. Nikiforova O. Yu. Ponomarev Yu. N. iao.editorum.ru