2002 Expd_brakes Rear

Hi everyone ,does anyone know if there is somthing i have to out of the ordinary to get my rear rotors off ,i have cleaned ,pounded (gently) and have it three quarters the way off it just wont go the last half inch all i can think of is the emergency brake any help at all appreiciated .( p.s. pay no atttention to misspelled words ) thanking you in advance randy