TY - BOOK ID - 145192171 TI - CCITT red book. Vol. 6.11 : Function specification and description language (SDL). Annexes to recommendations Z.100-Z.104 AU - International Telecommunication Union AU - International Telegraph and Telephone Consultative Committee PY - 1985 SN - 9261022413 PB - Genè€ve : Consultative commitee of the International Telegraph and Telephone Union [CCITT], DB - UniCat KW - Ccitt KW - Standards, legal and permissive UR - https://www.unicat.be/uniCat?func=search&query=sysid:145192171 AB - ER -