TY - BOOK ID - 145428092 TI - CCITT Red Book. Vol. 6.7 : Specifications of signalling system number 7. Recommendations Q.701-Q.714 AU - International Telecommunication Union AU - International Telegraph and Telephone Consultative Committee PY - 1985 SN - 9261022014 PB - Genè€ve : Consultative commitee of the International Telegraph and Telephone Union [CCITT], DB - UniCat KW - Ccitt q series KW - Standards, legal and permissive UR - https://www.unicat.be/uniCat?func=search&query=sysid:145428092 AB - ER -