Multi-layers balanced LKH. - Wee Hock Desmond Ng; Zhili Sun (ICC, 2005)

Scalable balanced batch rekeying for secure group communication. - Wee Hock Desmond Ng; Haitham S. Cruickshank; Zhili Sun (Comput. Secur., 2006)

Dynamic Balanced Key Tree Management for Secure Multicast Communications. - Wee Hock Desmond Ng; Michael P. Howarth; Zhili Sun; Haitham S. Cruickshank (IEEE Trans. Computers, 2007)