Analysis, design, and optimization of InGaP-GaAs HBT matched-impedance wide-band amplifiers with multiple feedback loops. - Ming-Chou Chiang; Shey-Shi Lu; Chin-Chun Meng; Shih-An Yu; Shih-Cheng Yang; Yi-Jen Chan (IEEE J. Solid State Circuits, 2002)

MAX-SNP Hardness and Approximation of Selected-Internal Steiner Trees. - Sun-Yuan Hsieh; Shih-Cheng Yang (COCOON, 2006)

On the Internal Steiner Tree Problem. - Sun-Yuan Hsieh; Huang-Ming Gao; Shih-Cheng Yang (TAMC, 2007)

Approximating the selected-internal Steiner tree. - Sun-Yuan Hsieh; Shih-Cheng Yang (Theor. Comput. Sci., 2007)