Rudolf Bayer
[ar] رودولف باير
[cs] Rudolf Bayer
[de] Rudolf Bayer (Informatiker)
[es] Rudolf Bayer
[fr] Rudolf Bayer
[ig] Rudolf Bayer
[it] Rudolf Bayer
[ko] 루돌프 바이어
[mg] Rudolf Bayer
[ml] റുഡോൾഫ് ബയർ