1. HUANG B. H. Fundamental Wave Analysis Based on Power Balance” Acta Electronica Sinica, vol. 35, No.10, pp.1994-1998.Oct.2007.
2. HUANG B. H. “Analysing Nonlinear Oscillation and Chaos Using Fundamental-wave Balance Principle” Journal on Communications, vol.29,No.1, pp.65-70. Jan. 2008.
3. HUANG B H. “Fundamental Wave Analysis of Various Self-excited Oscillation”. Research & Progress of Solid State Electronics. vol. 25,No.1,pp. 102-107. Feb. 2005.
4. HUANG B H. “Analysing Stability of Nonlinear Electronic Networks Using Fundamental Wave Balance Princple”. Research & Progress of Solid State Electronics. vol. 26,No.1. pp. 43-48. Feb. 2006.
5. Jelena V. Manojlovic. Oscillation Theorems for Nonlinear Differential Equations of Second Order[J]. EJQTDE, 2000 No. 1, 1-17.