1997ETSI ETS 300 813-1997 Digital Video Broadcasting (DVB); DVB Interfaces to Plesiochronous Digital Hierarchy (PDH) Networks
ETSI PRETS 300 813-1997 Digital Video Broadcasting (DVB); DVB Interfaces to Plesiochronous Digital Hierarchy (PDH) Networks was changed to ETSI ETS 300 813-1997 Digital Video Broadcasting (DVB); DVB Interfaces to Plesiochronous Digital Hierarchy (PDH) Networks.