@article{abuelmaatti2003large, title = {Large-Signal Analysis of Triode Vacuum-Tube Amplifiers*}, author = {Abuelma'atti, Muhammad Taher}, journal = {J. Audio Eng. Soc}, volume = {51}, number = {11}, pages = {1046--1053}, year = {2003}, url = {https://www.aes.org/e-lib/browse.cfm?elib=12195} }