Mase neutrina i SM (3/4)

New channel Krešimir Kumerički, PMF, Zagreb: title sample judged 'whole' (Clearly a university physics lecturer's teaching channel with structured particle physics, cosmology, and QFT course lec); passed a second screen for sellers/exam-prep/re-uploads; 0 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.