Title	Multiple Audio Watermarking With Spectrum Pyramid
Author	Roumen Kountchev, Mariofanna Milanova, Vladimir Todorov, Roumiana Kountcheva
Citation	Vol. 7  No. 2  pp. 191-200
Keywords	Digital watermarking, Spectrum pyramid, Complex Hadamard Transform

Title	Design and Evaluation of Two Symmetrical Evolutionist-Based Ciphering Algorithms
Author	F. Omary, A. Tragha, A. Bellaachia, A. Mouloudi
Citation	Vol. 7  No. 2  pp. 181-190
Keywords	Cryptography, symmetric ciphering, key, combinatorial optimization, evolutionist algorithm.

Title	Performance of DS UWB with MUD Schemes
Author	Nguyen Van Yen
Citation	Vol. 7  No. 2  pp. 176-180
Keywords

Title	An Enhanced Heuristic Using Direct Steiner Point Locating and Distance Preferring MST Building Strategy for GOSST Problem
Author	Inbum Kim, Chae-kak Kim
Citation	Vol. 7  No. 2  pp. 164-175
Keywords	GOSST, Steiner Point, Minimum Spanning Tree, Network Construction Cost, Locating Strategy, MST building Strategy, Direct locating, Global Locating, Local Locating, Distance Preferring, G-condition, G-MST