1. Broadband aspects of ISDN;ITU-T;Recommendation I. 121 ITU-T, Geneva, Switzerland,1990
2. B-ISDN Asynchronous transfer mode functional characteristics;ITU-T;Recommendation I. 150 ITU-T, Geneva, Switzerland,1995
3. B-ISDN ATM Layer specification;ITU-T;Recommendation I.361 ITU-T, Geneva, Switzerland,1995
4. B-ISDN ATM Adaptation Layer (AAL) specification: Type 1 AAL, Type 2 AAL, Type 3/4 AAL, Type 5 AAL;ITU-T;Recommendation I.363-1,-2,-3,-5 ITU-T, Geneva, Switzerland,1996
5. Traffic control and congestion control in B-ISDN;ITU-T;Recommendation I.371 ITU-T, Geneva, Switzerland,1996