Tan, W.N. and Andonowati, A. 2013. A Low-Dimensional Model for the Maximal Amplification Factor of Bichromatic Wave Groups. Journal of Engineering and Technological Sciences. 35, 2 (Dec. 2013), 139-153. DOI:https://doi.org/10.5614/itbj.eng.sci.2003.35.2.4.