UMBT definicija

UMBT. .PVOUBJOT 4PVUI "GSJDB: 'MPXFST &DVBEPS: (BMBQBHPT *OWBTJWF "MJFO 4QFDJFT #PUTXBOB: 5PVSJTN $SPBUJB: *OUFHSBUFE $PBTUBM %FWFMPQNFOU